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 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 24 |
5 | 480 |
6 | 10080 |
7 | 241920 |
8 | 6652800 |
9 | 207567360 |
10 | 7264857600 |
11 | 282291609600 |
12 | 12067966310400 |
13 | 563171761152000 |
14 | 28496491114291200 |
15 | 1554354060779520000 |
16 | 90929712555601920000 |
17 | 5679609738088366080000 |