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.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 10 |
3 | 120 |
4 | 1770 |
5 | 29208 |
6 | 516180 |
7 | 9554640 |
8 | 182867970 |
9 | 3589443160 |
10 | 71861735660 |
11 | 1461730482160 |
12 | 30123451315620 |
13 | 627598216410480 |
14 | 13197173403868200 |
15 | 279728425129963680 |
16 | 5970277970921643570 |
17 | 128199003794219752920 |