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 | 0 |
3 | 204 |
4 | 30840 |
5 | 3743473440 |
6 | 400814250895866480 |
7 | 192435610587299441243182587501623263200 |
8 | 2911899996313975217187797869354128351340558818020188112521784134070351919360 |