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 | 1680 |
1 | -1648 |
2 | -880 |
3 | 36240 |
4 | 5324432 |
5 | 52065680 |
6 | 279702672 |
7 | 1085747600 |
8 | 3409634960 |
9 | 9202368912 |
10 | 22149057680 |
11 | 48721749392 |
12 | 99650305680 |
13 | 191909371280 |
14 | 351329819792 |
15 | 615953377680 |
16 | 1040259450512 |
17 | 1700403497360 |
18 | 2700616621200 |
19 | 4180926365072 |
20 | 6326369025680 |