The Collatz like pattern shown by IVT is :
1,0
2,1,0
3,0
4,2,1,0
5,0
6,1,0
7,0
8,6,1,0
9,4,2,1,0
10,5,0
11,4,2,1,0
12,2,1,0
13,0
14,1,0
15,0
16,10,5,0
17,8,6,1,0
18,9,4,2,1,0
19,8,6,1,0
20,2,1,0
21,0
22,1,0
23,0
24,6,1,0
25,4,2,1,0
26,5,0
27,4,2,1,0
28,2,1,0
29,0
30,1,0
31,0
32,26,5,0
33,24,6,1,0
34,25,4,2,1,0
35,24,6,1,0
36,18,9,4,2,1,0
37,16,10,5,0
38,17,8,6,1,0
39,16,10,5,0
40,22,1,0
41,20,2,1,0
42,21,0
43,20,2,1,0
44,18,9,4,2,1,0
45,16,10,5,0
46,17,8,6,1,0
47,16,10,5,0
48,10,5,0
49,8,6,1,0
50,9,4,2,1,0
51,8,6,1,0
52,2,1,0
53,0
54,1,0
55,0
56,6,1,0
57,4,2,1,0
58,5,0
59,4,2,1,0
60,2,1,0
61,0
62,1,0
63,0
64,42,21,0
65,40,22,1,0
66,41,20,2,1,0
67,40,22,1,0
68,34,25,4,2,1,0
69,32,26,5,0
70,33,24,6,1,0
71,32,26,5,0
72,38,17,8,6,1,0
73,36,18,9,4,2,1,0
74,37,16,10,5,0
75,36,18,9,4,2,1,0
76,34,25,4,2,1,0
77,32,26,5,0
78,33,24,6,1,0
79,32,26,5,0
80,10,5,0
81,8,6,1,0
82,9,4,2,1,0
83,8,6,1,0
84,2,1,0
85,0
86,1,0
87,0
88,6,1,0
89,4,2,1,0
90,5,0
91,4,2,1,0
92,2,1,0
93,0
94,1,0
95,0
96,26,5,0
97,24,6,1,0
98,25,4,2,1,0
99,24,6,1,0
100,18,9,4,2,1,0
101,16,10,5,0
102,17,8,6,1,0
103,16,10,5,0
104,22,1,0
105,20,2,1,0
106,21,0
107,20,2,1,0
108,18,9,4,2,1,0
109,16,10,5,0
110,17,8,6,1,0
111,16,10,5,0
112,10,5,0
113,8,6,1,0
114,9,4,2,1,0
115,8,6,1,0
116,2,1,0
117,0
118,1,0
119,0
120,6,1,0
121,4,2,1,0
122,5,0
123,4,2,1,0
124,2,1,0
125,0
126,1,0
127,0
128,106,21,0
129,104,22,1,0
130,105,20,2,1,0
131,104,22,1,0
132,98,25,4,2,1,0
133,96,26,5,0
134,97,24,6,1,0
135,96,26,5,0
136,102,17,8,6,1,0
137,100,18,9,4,2,1,0
138,101,16,10,5,0
139,100,18,9,4,2,1,0
140,98,25,4,2,1,0
141,96,26,5,0
142,97,24,6,1,0
143,96,26,5,0
144,74,37,16,10,5,0
145,72,38,17,8,6,1,0
146,73,36,18,9,4,2,1,0
147,72,38,17,8,6,1,0
148,66,41,20,2,1,0
149,64,42,21,0
150,65,40,22,1,0
151,64,42,21,0
152,70,33,24,6,1,0
153,68,34,25,4,2,1,0
154,69,32,26,5,0
155,68,34,25,4,2,1,0
156,66,41,20,2,1,0
157,64,42,21,0
158,65,40,22,1,0
159,64,42,21,0
160,90,5,0
161,88,6,1,0
162,89,4,2,1,0
163,88,6,1,0
164,82,9,4,2,1,0
165,80,10,5,0
166,81,8,6,1,0
167,80,10,5,0
168,86,1,0
169,84,2,1,0
170,85,0
171,84,2,1,0
172,82,9,4,2,1,0
173,80,10,5,0
174,81,8,6,1,0
175,80,10,5,0
176,74,37,16,10,5,0
177,72,38,17,8,6,1,0
178,73,36,18,9,4,2,1,0
179,72,38,17,8,6,1,0
180,66,41,20,2,1,0
181,64,42,21,0
182,65,40,22,1,0
183,64,42,21,0
184,70,33,24,6,1,0
185,68,34,25,4,2,1,0
186,69,32,26,5,0
187,68,34,25,4,2,1,0
188,66,41,20,2,1,0
189,64,42,21,0
190,65,40,22,1,0
191,64,42,21,0
192,42,21,0
193,40,22,1,0
194,41,20,2,1,0
195,40,22,1,0
196,34,25,4,2,1,0
197,32,26,5,0
198,33,24,6,1,0
199,32,26,5,0
200,38,17,8,6,1,0
201,36,18,9,4,2,1,0
202,37,16,10,5,0
203,36,18,9,4,2,1,0
204,34,25,4,2,1,0
205,32,26,5,0
206,33,24,6,1,0
207,32,26,5,0
208,10,5,0
209,8,6,1,0
210,9,4,2,1,0
211,8,6,1,0
212,2,1,0
213,0
214,1,0
215,0
216,6,1,0
217,4,2,1,0
218,5,0
219,4,2,1,0
220,2,1,0
221,0
222,1,0
223,0
224,26,5,0
225,24,6,1,0
226,25,4,2,1,0
227,24,6,1,0
228,18,9,4,2,1,0
229,16,10,5,0
230,17,8,6,1,0
231,16,10,5,0
232,22,1,0
233,20,2,1,0
234,21,0
235,20,2,1,0
236,18,9,4,2,1,0
237,16,10,5,0
238,17,8,6,1,0
239,16,10,5,0
240,10,5,0
241,8,6,1,0
242,9,4,2,1,0
243,8,6,1,0
244,2,1,0
245,0
246,1,0
247,0
248,6,1,0
249,4,2,1,0
250,5,0
251,4,2,1,0
252,2,1,0
253,0
254,1,0
255,0
256,170,85,0
257,168,86,1,0
258,169,84,2,1,0
259,168,86,1,0
260,162,89,4,2,1,0
261,160,90,5,0
262,161,88,6,1,0
263,160,90,5,0
264,166,81,8,6,1,0
265,164,82,9,4,2,1,0
266,165,80,10,5,0
267,164,82,9,4,2,1,0
268,162,89,4,2,1,0
269,160,90,5,0
270,161,88,6,1,0
271,160,90,5,0
272,138,101,16,10,5,0
273,136,102,17,8,6,1,0
274,137,100,18,9,4,2,1,0
275,136,102,17,8,6,1,0
276,130,105,20,2,1,0
277,128,106,21,0
278,129,104,22,1,0
279,128,106,21,0
280,134,97,24,6,1,0
281,132,98,25,4,2,1,0
282,133,96,26,5,0
283,132,98,25,4,2,1,0
284,130,105,20,2,1,0
285,128,106,21,0
286,129,104,22,1,0
287,128,106,21,0
288,154,69,32,26,5,0
289,152,70,33,24,6,1,0
290,153,68,34,25,4,2,1,0
291,152,70,33,24,6,1,0
292,146,73,36,18,9,4,2,1,0
293,144,74,37,16,10,5,0
294,145,72,38,17,8,6,1,0
295,144,74,37,16,10,5,0
296,150,65,40,22,1,0
297,148,66,41,20,2,1,0
298,149,64,42,21,0
299,148,66,41,20,2,1,0
300,146,73,36,18,9,4,2,1,0
301,144,74,37,16,10,5,0
302,145,72,38,17,8,6,1,0
303,144,74,37,16,10,5,0
304,138,101,16,10,5,0
305,136,102,17,8,6,1,0
306,137,100,18,9,4,2,1,0
307,136,102,17,8,6,1,0
308,130,105,20,2,1,0
309,128,106,21,0
310,129,104,22,1,0
311,128,106,21,0
312,134,97,24,6,1,0
313,132,98,25,4,2,1,0
314,133,96,26,5,0
315,132,98,25,4,2,1,0
316,130,105,20,2,1,0
317,128,106,21,0
318,129,104,22,1,0
319,128,106,21,0
320,42,21,0
321,40,22,1,0
322,41,20,2,1,0
323,40,22,1,0
324,34,25,4,2,1,0
325,32,26,5,0
326,33,24,6,1,0
327,32,26,5,0
328,38,17,8,6,1,0
329,36,18,9,4,2,1,0
330,37,16,10,5,0
331,36,18,9,4,2,1,0
332,34,25,4,2,1,0
333,32,26,5,0
334,33,24,6,1,0
335,32,26,5,0
336,10,5,0
337,8,6,1,0
338,9,4,2,1,0
339,8,6,1,0
340,2,1,0
341,0
342,1,0
343,0
344,6,1,0
345,4,2,1,0
346,5,0
347,4,2,1,0
348,2,1,0
349,0
350,1,0
351,0
352,26,5,0
353,24,6,1,0
354,25,4,2,1,0
355,24,6,1,0
356,18,9,4,2,1,0
357,16,10,5,0
358,17,8,6,1,0
359,16,10,5,0
360,22,1,0
361,20,2,1,0
362,21,0
363,20,2,1,0
364,18,9,4,2,1,0
365,16,10,5,0
366,17,8,6,1,0
367,16,10,5,0
368,10,5,0
369,8,6,1,0
370,9,4,2,1,0
371,8,6,1,0
372,2,1,0
373,0
374,1,0
375,0
376,6,1,0
377,4,2,1,0
378,5,0
379,4,2,1,0
380,2,1,0
381,0
382,1,0
383,0
384,106,21,0
385,104,22,1,0
386,105,20,2,1,0
387,104,22,1,0
388,98,25,4,2,1,0
389,96,26,5,0
390,97,24,6,1,0
391,96,26,5,0
392,102,17,8,6,1,0
393,100,18,9,4,2,1,0
394,101,16,10,5,0
395,100,18,9,4,2,1,0
396,98,25,4,2,1,0
397,96,26,5,0
398,97,24,6,1,0
399,96,26,5,0
400,74,37,16,10,5,0
401,72,38,17,8,6,1,0
402,73,36,18,9,4,2,1,0
403,72,38,17,8,6,1,0
404,66,41,20,2,1,0
405,64,42,21,0
406,65,40,22,1,0
407,64,42,21,0
408,70,33,24,6,1,0
409,68,34,25,4,2,1,0
410,69,32,26,5,0
411,68,34,25,4,2,1,0
412,66,41,20,2,1,0
413,64,42,21,0
414,65,40,22,1,0
415,64,42,21,0
416,90,5,0
417,88,6,1,0
418,89,4,2,1,0
419,88,6,1,0
420,82,9,4,2,1,0
421,80,10,5,0
422,81,8,6,1,0
423,80,10,5,0
424,86,1,0
425,84,2,1,0
426,85,0
427,84,2,1,0
428,82,9,4,2,1,0
429,80,10,5,0
430,81,8,6,1,0
431,80,10,5,0
432,74,37,16,10,5,0
433,72,38,17,8,6,1,0
434,73,36,18,9,4,2,1,0
435,72,38,17,8,6,1,0
436,66,41,20,2,1,0
437,64,42,21,0
438,65,40,22,1,0
439,64,42,21,0
440,70,33,24,6,1,0
441,68,34,25,4,2,1,0
442,69,32,26,5,0
443,68,34,25,4,2,1,0
444,66,41,20,2,1,0
445,64,42,21,0
446,65,40,22,1,0
447,64,42,21,0
448,42,21,0
449,40,22,1,0
450,41,20,2,1,0
451,40,22,1,0
452,34,25,4,2,1,0
453,32,26,5,0
454,33,24,6,1,0
455,32,26,5,0
456,38,17,8,6,1,0
457,36,18,9,4,2,1,0
458,37,16,10,5,0
459,36,18,9,4,2,1,0
460,34,25,4,2,1,0
461,32,26,5,0
462,33,24,6,1,0
463,32,26,5,0
464,10,5,0
465,8,6,1,0
466,9,4,2,1,0
467,8,6,1,0
468,2,1,0
469,0
470,1,0
471,0
472,6,1,0
473,4,2,1,0
474,5,0
475,4,2,1,0
476,2,1,0
477,0
478,1,0
479,0
480,26,5,0
481,24,6,1,0
482,25,4,2,1,0
483,24,6,1,0
484,18,9,4,2,1,0
485,16,10,5,0
486,17,8,6,1,0
487,16,10,5,0
488,22,1,0
489,20,2,1,0
490,21,0
491,20,2,1,0
492,18,9,4,2,1,0
493,16,10,5,0
494,17,8,6,1,0
495,16,10,5,0
496,10,5,0
497,8,6,1,0
498,9,4,2,1,0
499,8,6,1,0
500,2,1,0