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) |
---|---|
1 | 1 |
2 | 2 |
3 | 12 |
4 | 116 |
5 | 1560 |
6 | 26886 |
7 | 565376 |
8 | 14036392 |
9 | 401823360 |
10 | 13030976650 |
11 | 472154276352 |
12 | 18903994333212 |
13 | 828807273828352 |
14 | 39491616319733774 |
15 | 2032038033784995840 |
16 | 112293378446546611280 |
17 | 6632975513529162694656 |
18 | 417050432063319431036178 |
19 | 27809989478829060358799360 |