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 | 0 |
2 | 2 |
3 | 3 |
4 | 92 |
5 | 510 |
6 | 15114 |
7 | 174300 |
8 | 5558944 |
9 | 103712616 |
10 | 3672530280 |
11 | 96397602840 |
12 | 3830335035240 |
13 | 129817630491120 |
14 | 5796134828193696 |
15 | 239906921239210680 |
16 | 11996259216566469120 |
17 | 584024600798956215360 |
18 | 32523678395272329425856 |