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.

A087208 Expansion of e.g.f. exp(x)/(1-x^2).

Table of values

n a(n)
0 1
1 1
2 3
3 7
4 37
5 141
6 1111
7 5923
8 62217
9 426457
10 5599531
11 46910271
12 739138093
13 7318002277
14 134523132927
15 1536780478171
16 32285551902481
17 418004290062513
18 9879378882159187
19 142957467201379447
20 3754163975220491061
21 60042136224579367741
22 1734423756551866870183

List of values

[1, 1, 3, 7, 37, 141, 1111, 5923, 62217, 426457, 5599531, 46910271, 739138093, 7318002277, 134523132927, 1536780478171, 32285551902481, 418004290062513, 9879378882159187, 142957467201379447, 3754163975220491061, 60042136224579367741, 1734423756551866870183]