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 | 4 |
3 | 40 |
4 | 1126 |
5 | 92440 |
6 | 22559276 |
7 | 16468584194 |
8 | 36033333480881 |
9 | 236450784546518006 |
10 | 4654297351684653345788 |
11 | 274836259327539399144691019 |
12 | 48686693681325683653963188907344 |
13 | 25874153864215746591981599665978198380 |