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.

A299108 Expansion of 1/(1 - x*Product_{k>=1} (1 + x^k)/(1 - x^k)).

Table of values

n a(n)
0 1
1 1
2 3
3 9
4 27
5 79
6 231
7 675
8 1971
9 5755
10 16805
11 49071
12 143289
13 418411
14 1221781
15 3567663
16 10417761
17 30420401
18 88829145
19 259385701
20 757419669
21 2211704625
22 6458291945
23 18858546645
24 55067931981
25 160801210705
26 469547855419
27 1371104033121
28 4003694720243

List of values

[1, 1, 3, 9, 27, 79, 231, 675, 1971, 5755, 16805, 49071, 143289, 418411, 1221781, 3567663, 10417761, 30420401, 88829145, 259385701, 757419669, 2211704625, 6458291945, 18858546645, 55067931981, 160801210705, 469547855419, 1371104033121, 4003694720243]