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 | 3 |
2 | 54 |
3 | 4410 |
4 | 2208465 |
5 | 7958364696 |
6 | 221555929999779 |
7 | 48859965926267395185 |
8 | 86255750314864791590005098 |
9 | 1228682270675324224826503933533795 |
10 | 142349199783036538823503393789360721783250 |