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.

A218300 E.g.f. A(x) satisfies A( x/(exp(x)*cosh(x)) ) = exp(2*x)*cosh(2*x).

Table of values

n a(n)
0 1
1 2
2 12
3 104
4 1216
5 18112
6 329600
7 7108096
8 177549312
9 5046554624
10 160947232768
11 5694342479872
12 221410157133824
13 9387011838312448
14 431051678297358336
15 21316106766591721472
16 1129526392342026649600
17 63855305138514241257472
18 3836490516381680506241024

List of values

[1, 2, 12, 104, 1216, 18112, 329600, 7108096, 177549312, 5046554624, 160947232768, 5694342479872, 221410157133824, 9387011838312448, 431051678297358336, 21316106766591721472, 1129526392342026649600, 63855305138514241257472, 3836490516381680506241024]