cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A177960 Numbers of the form A001317(t), excluding those at places of the form t=m*(2^k-1), m>=0, k>=2.

Table of values

n a(n)
1 3
2 5
3 17
4 51
5 257
6 1285
7 3855
8 13107
9 65537
10 196611
11 983055
12 1114129
13 5570645
14 16711935
15 50529027
16 84215045
17 858993459
18 4294967297
19 21474836485
20 219043332147
21 365072220245
22 1103806595329
23 3311419785987

List of values

[3, 5, 17, 51, 257, 1285, 3855, 13107, 65537, 196611, 983055, 1114129, 5570645, 16711935, 50529027, 84215045, 858993459, 4294967297, 21474836485, 219043332147, 365072220245, 1103806595329, 3311419785987]