A176867 - cp's OEIS frontend

A176867 Least odd number that requires n Collatz (3x+1) iterations to reach 1, or zero if there is no such number.

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	5
6	0
7	3
8	0
9	13
10	0
11	53
12	17
13	35
14	11
15	23
16	7
17	15
18	29
19	9
20	19
21	37
22	77
23	25
24	49
25	99
26	33
27	65
28	131
29	43
30	87
31	173
32	57
33	115
34	39
35	79
36	153
37	305
38	105
39	203
40	407
41	135
42	271
43	541
44	185
45	361
46	123
47	247
48	481
49	169
50	329
51	641
52	219
53	427
54	159
55	295
56	569
57	1139
58	379
59	759
60	283
61	505
62	1011

[1, 0, 0, 0, 0, 5, 0, 3, 0, 13, 0, 53, 17, 35, 11, 23, 7, 15, 29, 9, 19, 37, 77, 25, 49, 99, 33, 65, 131, 43, 87, 173, 57, 115, 39, 79, 153, 305, 105, 203, 407, 135, 271, 541, 185, 361, 123, 247, 481, 169, 329, 641, 219, 427, 159, 295, 569, 1139, 379, 759, 283, 505, 1011]

cp's OEIS Frontend

A176867 Least odd number that requires n Collatz (3x+1) iterations to reach 1, or zero if there is no such number.

Table of values

List of values