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 | 2 |
2 | 20 |
3 | 352 |
4 | 8624 |
5 | 266784 |
6 | 9896448 |
7 | 426577920 |
8 | 20918138624 |
9 | 1149216540160 |
10 | 69911382901760 |
11 | 4665553152081920 |
12 | 338942971881472000 |
13 | 26631920159494995968 |
14 | 2250690001888540950528 |
15 | 203595258621775065120768 |
16 | 19629810220331494121865216 |