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 | 453060 |
2 | 205263363600 |
3 | 92996619512616000 |
4 | 42133048436385804960000 |
5 | 19088798924588952795177600000 |
6 | 8648371240774270953383163456000000 |
7 | 3918231074345191198139776035375360000000 |
8 | 1775193770542832324229206930587160601600000000 |