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 | 0 |
1 | 1 |
2 | 5 |
3 | 33 |
4 | 294 |
5 | 3414 |
6 | 49644 |
7 | 872388 |
8 | 18001584 |
9 | 426553776 |
10 | 11408104800 |
11 | 339766164000 |
12 | 11148335337600 |
13 | 399489448694400 |
14 | 15520734764640000 |
15 | 649782085752172800 |
16 | 29160211264750540800 |
17 | 1396381090351116441600 |
18 | 71068392067688315596800 |
19 | 3830710201119961857331200 |