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 | 12 |
2 | 120 |
3 | 1230 |
4 | 13650 |
5 | 166376 |
6 | 2229444 |
7 | 32724810 |
8 | 523531470 |
9 | 9080409492 |
10 | 169892449584 |
11 | 3412891866566 |
12 | 73300097535210 |
13 | 1676670468061920 |
14 | 40704197313912060 |
15 | 1045464783485987298 |
16 | 28328001168991093350 |