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 | 9 |
2 | 135 |
3 | 2430 |
4 | 48195 |
5 | 1015740 |
6 | 22320522 |
7 | 505692720 |
8 | 11727186075 |
9 | 277005649635 |
10 | 6641224015140 |
11 | 161193712078854 |
12 | 3953072078945730 |
13 | 97801207953712200 |
14 | 2438092322304120720 |
15 | 61182608813245896840 |
16 | 1544295394480280288715 |
17 | 39180450803555268621540 |