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.

A002436 E.g.f.: Sum_{n >= 0} a(n)*x^(2*n)/(2*n)! = sec(2*x).

Table of values

n a(n)
0 1
1 4
2 80
3 3904
4 354560
5 51733504
6 11070525440
7 3266330312704
8 1270842139934720
9 630424777638805504
10 388362339077351014400
11 290870261262635870715904
12 260290690801376575335956480
13 274278793184290987427604987904
14 336150887870579862992197737512960

List of values

[1, 4, 80, 3904, 354560, 51733504, 11070525440, 3266330312704, 1270842139934720, 630424777638805504, 388362339077351014400, 290870261262635870715904, 260290690801376575335956480, 274278793184290987427604987904, 336150887870579862992197737512960]