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 | 45 |
2 | 1980 |
3 | 87120 |
4 | 3833280 |
5 | 168664320 |
6 | 7421230080 |
7 | 326534123520 |
8 | 14367501434880 |
9 | 632170063134720 |
10 | 27815482777927680 |
11 | 1223881242228817920 |
12 | 53850774658067988480 |
13 | 2369434084954991493120 |
14 | 104255099738019625697280 |
15 | 4587224388472863530680320 |