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 | 42 |
4 | 768 |
5 | 19460 |
6 | 637200 |
7 | 25724916 |
8 | 1233957312 |
9 | 68591031120 |
10 | 4338982958400 |
11 | 307907317681920 |
12 | 24229505587541760 |
13 | 2094548798610726432 |
14 | 197370092438311892736 |
15 | 20140182770328963216000 |
16 | 2213078753956025271214080 |
17 | 260601290312643875434817280 |