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 | 2 |
1 | 10 |
2 | 140 |
3 | 2940 |
4 | 77616 |
5 | 2378376 |
6 | 80978040 |
7 | 2982691140 |
8 | 116776877360 |
9 | 4800591267472 |
10 | 205384736883872 |
11 | 9084324900632800 |
12 | 413286869105712000 |
13 | 19262120149391220000 |
14 | 916763612521908006000 |
15 | 44440565510927197408500 |
16 | 2189466044883038600910000 |