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.

A375715 Expansion of e.g.f. 1 / sqrt(1 - x^2 * (exp(x) - 1)).

Table of values

n a(n)
0 1
1 0
2 0
3 3
4 6
5 10
6 285
7 1911
8 8848
9 147456
10 1818225
11 15966775
12 244374636
13 4105980528
14 55574016589
15 938220142965
16 18765940185840
17 342231152117536
18 6765035069902833
19 154060159512672315
20 3469311695227952260
21 80672955862303202160
22 2068943441492081794101

List of values

[1, 0, 0, 3, 6, 10, 285, 1911, 8848, 147456, 1818225, 15966775, 244374636, 4105980528, 55574016589, 938220142965, 18765940185840, 342231152117536, 6765035069902833, 154060159512672315, 3469311695227952260, 80672955862303202160, 2068943441492081794101]