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.

A305104 G.f.: Sum_{k>=1} x^(2*k)/(1-x^(2*k)) * Product_{k>=1} (1+x^k)/(1-x^k).

Table of values

n a(n)
0 0
1 0
2 1
3 2
4 6
5 12
6 24
7 44
8 79
9 134
10 222
11 358
12 566
13 876
14 1334
15 2000
16 2960
17 4326
18 6253
19 8946
20 12680
21 17816
22 24832
23 34352
24 47192
25 64404
26 87354
27 117796
28 157976
29 210764
30 279812
31 369744
32 486413
33 637188
34 831324
35 1080420
36 1398968
37 1805012
38 2320992
39 2974728
40 3800618

List of values

[0, 0, 1, 2, 6, 12, 24, 44, 79, 134, 222, 358, 566, 876, 1334, 2000, 2960, 4326, 6253, 8946, 12680, 17816, 24832, 34352, 47192, 64404, 87354, 117796, 157976, 210764, 279812, 369744, 486413, 637188, 831324, 1080420, 1398968, 1805012, 2320992, 2974728, 3800618]