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 | 2 |
2 | 10 |
3 | 130 |
4 | 4420 |
5 | 388960 |
6 | 87516000 |
7 | 49796604000 |
8 | 70960160700000 |
9 | 251057048556600000 |
10 | 2188464292267882200000 |
11 | 46682131818366195208200000 |
12 | 2421822316605019841206207800000 |
13 | 303875733353698259555507717497200000 |
14 | 91748896295748761809334889636212098800000 |