A081613 - cp's OEIS frontend

A081613 Length of iteration list when Collatz-function is iterated with initial value n!=A000142[n].

n	a(n)
0	1
1	1
2	2
3	9
4	11
5	21
6	21
7	42
8	45
9	87
10	67
11	148
12	211
13	176
14	265
15	256
16	260
17	427
18	426
19	363
20	388
21	501
22	490
23	448
24	450
25	390
26	560
27	420
28	518
29	634
30	445
31	530
32	535
33	796
34	951
35	827
36	814
37	1070
38	690
39	729
40	786
41	910
42	820
43	1014
44	1172
45	1219
46	997
47	1328
48	1331
49	892
50	1296

[1, 1, 2, 9, 11, 21, 21, 42, 45, 87, 67, 148, 211, 176, 265, 256, 260, 427, 426, 363, 388, 501, 490, 448, 450, 390, 560, 420, 518, 634, 445, 530, 535, 796, 951, 827, 814, 1070, 690, 729, 786, 910, 820, 1014, 1172, 1219, 997, 1328, 1331, 892, 1296]

cp's OEIS Frontend

A081613 Length of iteration list when Collatz-function is iterated with initial value n!=A000142[n].

Table of values

List of values