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.

A292976 a(n) = n! * [x^n] exp(n*x)*(sec(x) + tan(x)).

Table of values

n a(n)
0 1
1 2
2 9
3 65
4 645
5 8141
6 124729
7 2247853
8 46584937
9 1091386465
10 28521016621
11 822514469149
12 25946988879053
13 888784357214729
14 32851731018695905
15 1303291334592451037
16 55235983848811714129
17 2490726416399046168993
18 119065442891277782378581
19 6014589653389306889686941

List of values

[1, 2, 9, 65, 645, 8141, 124729, 2247853, 46584937, 1091386465, 28521016621, 822514469149, 25946988879053, 888784357214729, 32851731018695905, 1303291334592451037, 55235983848811714129, 2490726416399046168993, 119065442891277782378581, 6014589653389306889686941]