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.

A265830 Expansion of Product_{k>=1} 1/(1 - (4*k-3)*x^(4*k-3)).

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 6
6 6
7 6
8 6
9 15
10 40
11 40
12 40
13 53
14 98
15 223
16 223
17 240
18 386
19 611
20 1236
21 1257
22 1459
23 2189
24 3314
25 6464
26 6891
27 8630
28 12280
29 17934
30 34094
31 37282
32 45977
33 64260
34 93317
35 177015
36 199516
37 243028
38 335386
39 486558
40 914525
41 1027071
42 1246171
43 1717917
44 2499859

List of values

[1, 1, 1, 1, 1, 6, 6, 6, 6, 15, 40, 40, 40, 53, 98, 223, 223, 240, 386, 611, 1236, 1257, 1459, 2189, 3314, 6464, 6891, 8630, 12280, 17934, 34094, 37282, 45977, 64260, 93317, 177015, 199516, 243028, 335386, 486558, 914525, 1027071, 1246171, 1717917, 2499859]