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 | 1 |
2 | 12 |
3 | 306 |
4 | 12144 |
5 | 657720 |
6 | 45239040 |
7 | 3776965920 |
8 | 371090522880 |
9 | 41951580652800 |
10 | 5364506808460800 |
11 | 765606216965990400 |
12 | 120639963305775513600 |
13 | 20803502274492921984000 |
14 | 3896911902445736638464000 |
15 | 787971434323820421362688000 |
16 | 171063718698166603304067072000 |