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.

A196354 E.g.f.: 1 + Sum_{n>=1} 2*cosh(n*x) * x^(n^2).

Table of values

n a(n)
0 1
1 2
2 0
3 6
4 48
5 10
6 2880
7 14
8 53760
9 725778
10 645120
11 359251222
12 6082560
13 42032390426
14 49201152
15 2648040595230
16 41845937602560
17 115757203161634
18 102437981698129920
19 3958896348126758
20 51901909523009372160
21 113368395423628842
22 12788630502806158049280

List of values

[1, 2, 0, 6, 48, 10, 2880, 14, 53760, 725778, 645120, 359251222, 6082560, 42032390426, 49201152, 2648040595230, 41845937602560, 115757203161634, 102437981698129920, 3958896348126758, 51901909523009372160, 113368395423628842, 12788630502806158049280]