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) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 3 |
5 | 3 |
6 | 0 |
7 | 74 |
8 | 10482 |
9 | 303268 |
10 | 3440700 |
11 | 19842840 |
12 | 65867760 |
13 | 133580160 |
14 | 168399000 |
15 | 128898000 |
16 | 54885600 |
17 | 9979200 |
18 | 0 |
19 | 11158298 |
20 | 4825419243699 |
21 | 48019052798280376 |
22 | 60392832865887732525 |
23 | 20362602448352682660450 |