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 | 7 |
2 | 66 |
3 | 806 |
4 | 12164 |
5 | 219108 |
6 | 4591600 |
7 | 109795600 |
8 | 2951028000 |
9 | 88084714400 |
10 | 2891353030400 |
11 | 103521905491200 |
12 | 4015191638617600 |
13 | 167714507921497600 |
14 | 7506196028811110400 |
15 | 358368551285791692800 |
16 | 18180562447078051328000 |