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 | 5 |
3 | 240 |
4 | 11515 |
5 | 552480 |
6 | 26507525 |
7 | 1271808720 |
8 | 61020311035 |
9 | 2927703120960 |
10 | 140468729495045 |
11 | 6739571312641200 |
12 | 323358954277282555 |
13 | 15514490233996921440 |
14 | 744372172277574946565 |
15 | 35714349779089600513680 |