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.

A329155 Expansion of Product_{k>=1} 1 / (1 - 2*x^k - 3*x^(2*k))^(1/2).

Table of values

n a(n)
0 1
1 1
2 4
3 9
4 27
5 67
6 193
7 515
8 1462
9 4070
10 11588
11 32898
12 94389
13 271017
14 782401
15 2263002
16 6565987
17 19086043
18 55597255
19 162207806
20 473992799
21 1386875848
22 4062919108
23 11915397853
24 34979609583
25 102781548770
26 302259362326
27 889566748760
28 2619915414564
29 7721166976185

List of values

[1, 1, 4, 9, 27, 67, 193, 515, 1462, 4070, 11588, 32898, 94389, 271017, 782401, 2263002, 6565987, 19086043, 55597255, 162207806, 473992799, 1386875848, 4062919108, 11915397853, 34979609583, 102781548770, 302259362326, 889566748760, 2619915414564, 7721166976185]