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 | 1 |
2 | 2 |
3 | 120 |
4 | 290250 |
5 | 107320441096 |
6 | 21715974961480054078 |
7 | 8487986089807555456140271121440 |
8 | 22615863021403796876556069287242400147213424924 |
9 | 1449638083412288206280215383952017948209203861522683138464747658192 |