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 | 27 |
4 | 280 |
5 | 3605 |
6 | 56376 |
7 | 1041103 |
8 | 22188496 |
9 | 535856553 |
10 | 14460919120 |
11 | 431287416131 |
12 | 14087063106216 |
13 | 500112706900573 |
14 | 19174548699128200 |
15 | 789598137339356535 |
16 | 34757031591555021856 |
17 | 1628640121039415039057 |
18 | 80938770039259919191584 |