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 | 252 |
2 | 103572 |
3 | 46355904 |
4 | 21754545876 |
5 | 10493652271032 |
6 | 5153897870227008 |
7 | 2563741466120209536 |
8 | 1287429765611338091988 |
9 | 651251466581383330576956 |
10 | 331360676706818772917367912 |
11 | 169399388595923901462013678656 |