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 | 6 |
3 | 45 |
4 | 410 |
5 | 4020 |
6 | 41826 |
7 | 452207 |
8 | 5033910 |
9 | 57300285 |
10 | 663912420 |
11 | 7804131660 |
12 | 92838682242 |
13 | 1115595461915 |
14 | 13521340799310 |
15 | 165104951405235 |
16 | 2029162664033790 |
17 | 25081468301798301 |
18 | 311593507408597920 |