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.

A358013 Expansion of e.g.f. 1/(1 - x^2 * (exp(x) - 1)).

Table of values

n a(n)
0 1
1 0
2 0
3 6
4 12
5 20
6 750
7 5082
8 23576
9 453672
10 5755770
11 50894030
12 841270452
13 14694142476
14 201442729670
15 3552604015170
16 73814245552560
17 1369932831933392
18 27860865121662066
19 655240785723048726
20 15052226249248287500
21 357713461766745539700
22 9416426612423343023742

List of values

[1, 0, 0, 6, 12, 20, 750, 5082, 23576, 453672, 5755770, 50894030, 841270452, 14694142476, 201442729670, 3552604015170, 73814245552560, 1369932831933392, 27860865121662066, 655240785723048726, 15052226249248287500, 357713461766745539700, 9416426612423343023742]