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) |
---|---|
2 | 6 |
3 | 36 |
4 | 240 |
5 | 2520 |
6 | 30240 |
7 | 443520 |
8 | 6652800 |
9 | 133056000 |
10 | 2075673600 |
11 | 58118860800 |
12 | 1270312243200 |
13 | 29640619008000 |
14 | 844757641728000 |
15 | 25342729251840000 |
16 | 810967336058880000 |
17 | 27978373094031360000 |
18 | 1077167364120207360000 |
19 | 43086694564808294400000 |
20 | 1499416970855328645120000 |