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.

A275585 Expansion of Product_{k>=1} 1/(1 - x^k)^(sigma_2(k)).

Table of values

n a(n)
0 1
1 1
2 6
3 16
4 52
5 128
6 373
7 913
8 2399
9 5796
10 14298
11 33655
12 79756
13 183078
14 419846
15 942807
16 2106176
17 4633208
18 10127557
19 21870997
20 46912648
21 99639685
22 210206722
23 439777198
24 914157490
25 1886428608
26 3869204040
27 7884691072
28 15976273573
29 32182538964
30 64484592372
31 128518359868
32 254868985099
33 502950483815
34 987904826874
35 1931596634076

List of values

[1, 1, 6, 16, 52, 128, 373, 913, 2399, 5796, 14298, 33655, 79756, 183078, 419846, 942807, 2106176, 4633208, 10127557, 21870997, 46912648, 99639685, 210206722, 439777198, 914157490, 1886428608, 3869204040, 7884691072, 15976273573, 32182538964, 64484592372, 128518359868, 254868985099, 502950483815, 987904826874, 1931596634076]