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.

A308499 Expansion of e.g.f. log(1 + Sum_{k>=1} (k+1)*(k+2)/6 * x^k).

Table of values

n a(n)
0 0
1 1
2 3
3 10
4 34
5 104
6 200
7 -400
8 -2800
9 85120
10 2163840
11 30240000
12 285331200
13 1247769600
14 -15759744000
15 -392840448000
16 -1587505920000
17 123384188928000
18 4345827053568000
19 82159404687360000
20 749393890172928000
21 -10215518583029760000
22 -570363673124044800000
23 -9916595355495628800000

List of values

[0, 1, 3, 10, 34, 104, 200, -400, -2800, 85120, 2163840, 30240000, 285331200, 1247769600, -15759744000, -392840448000, -1587505920000, 123384188928000, 4345827053568000, 82159404687360000, 749393890172928000, -10215518583029760000, -570363673124044800000, -9916595355495628800000]