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 | 15 |
3 | 560 |
4 | 91390 |
5 | 61124064 |
6 | 163995687856 |
7 | 1756185841659392 |
8 | 75079359427627897200 |
9 | 12831653340946454374300160 |
10 | 8777916355714456994772455584000 |
11 | 24054320541767107204031746600673906688 |