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 | 2 |
2 | 1548 |
3 | 20400912 |
4 | 2237404520000 |
5 | 1316258829530177400 |
6 | 3107531556500789042401392 |
7 | 23981023412887138890925360910336 |
8 | 519343443733819692494314622381817102336 |
9 | 28055691989665530513724742545624840551562500000 |