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 | 10 |
3 | 280 |
4 | 13960 |
5 | 1023760 |
6 | 99935200 |
7 | 12226859200 |
8 | 1801725932800 |
9 | 310890328768000 |
10 | 61516405597830400 |
11 | 13735605457885312000 |
12 | 3416919943285809280000 |
13 | 937247149729410729472000 |
14 | 281051240591439955878400000 |
15 | 91474949907165746668607488000 |
16 | 32117399444469103248129863680000 |