A135728 - cp's OEIS frontend

A135728 Record indices of A135727(n) = max{ A001281^k(n);k=0,1,2,3... } (3x-1 problem).

n	a(n)
1	0
2	1
3	3
4	5
5	9
6	17
7	33
8	65
9	129
10	153
11	321
12	1425
13	1601
14	1889
15	3393
16	4097
17	6929
18	8193
19	10497
20	11025
21	18273
22	28161
23	74585
24	85265
25	149345
26	337761
27	558341
28	839429
29	1022105
30	1467393
31	7932689
32	8612097
33	23911397
34	58882625
35	75567105
36	293056017

[0, 1, 3, 5, 9, 17, 33, 65, 129, 153, 321, 1425, 1601, 1889, 3393, 4097, 6929, 8193, 10497, 11025, 18273, 28161, 74585, 85265, 149345, 337761, 558341, 839429, 1022105, 1467393, 7932689, 8612097, 23911397, 58882625, 75567105, 293056017]

cp's OEIS Frontend

A135728 Record indices of A135727(n) = max{ A001281^k(n);k=0,1,2,3... } (3x-1 problem).

Table of values

List of values