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) |
---|---|
6 | 1 |
7 | 0 |
8 | 28 |
9 | 168 |
10 | 1890 |
11 | 20328 |
12 | 244860 |
13 | 3181464 |
14 | 44543499 |
15 | 668147480 |
16 | 10690367688 |
17 | 181736238320 |
18 | 3271252308324 |
19 | 62153793831024 |
20 | 1243075876659240 |
21 | 26104593409789776 |
22 | 574301055015449685 |
23 | 13208924265355241808 |