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 | 6 |
3 | 60 |
4 | 28980 |
5 | 83445678540 |
6 | 439837168811386168898460 |
7 | 255732290872293553071304874994266857210112979247740 |
8 | 342152277075444487917411768449441971426262505651282338530700909926424044202121143490579209389129867953540 |