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 | 1440 |
2 | 876960 |
3 | 292072320 |
4 | 57349833120 |
5 | 6660135541440 |
6 | 436536302762880 |
7 | 15172132360815360 |
8 | 327295477379498400 |
9 | 4913576699608450080 |
10 | 55439481453769056960 |
11 | 496426192564963006080 |
12 | 3672749219557161663360 |
13 | 23148323907214334109120 |