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.

A265844 Expansion of Product_{k>=1} (1 + k^2*x^k)/(1 - k^2*x^k).

Table of values

n a(n)
0 1
1 2
2 10
3 36
4 118
5 376
6 1188
7 3456
8 10054
9 28814
10 79280
11 215844
12 581748
13 1528456
14 3987384
15 10295952
16 26130982
17 65874532
18 164661622
19 406787220
20 998529752
21 2434022304
22 5879630196
23 14124455856
24 33734350692
25 80000820426
26 188787849968
27 443372664504
28 1035137265552

List of values

[1, 2, 10, 36, 118, 376, 1188, 3456, 10054, 28814, 79280, 215844, 581748, 1528456, 3987384, 10295952, 26130982, 65874532, 164661622, 406787220, 998529752, 2434022304, 5879630196, 14124455856, 33734350692, 80000820426, 188787849968, 443372664504, 1035137265552]