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 | 0 |
3 | 0 |
4 | 24 |
5 | 60 |
6 | 120 |
7 | 210 |
8 | 60816 |
9 | 544824 |
10 | 3175920 |
11 | 14969790 |
12 | 1339209960 |
13 | 25141598196 |
14 | 291418089144 |
15 | 2618105492730 |
16 | 128974591028640 |
17 | 3841451570440560 |
18 | 73103023032142176 |
19 | 1060951475511351414 |
20 | 39132892925113341240 |
21 | 1516348247446904304300 |