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 | 0 |
1 | 0 |
2 | 2 |
3 | 6 |
4 | 32 |
5 | 300 |
6 | 3576 |
7 | 52234 |
8 | 906688 |
9 | 18229176 |
10 | 416505760 |
11 | 10657541422 |
12 | 301871501568 |
13 | 9375794555556 |
14 | 316817746172032 |
15 | 11570642333807730 |
16 | 454152692297009152 |
17 | 19064517871187079408 |
18 | 852278820775206658560 |
19 | 40424330665968520135382 |
20 | 2027524052626732381306880 |