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 | 6 |
3 | 44 |
4 | 312 |
5 | 2224 |
6 | 15840 |
7 | 112832 |
8 | 803712 |
9 | 5724928 |
10 | 40779264 |
11 | 290475008 |
12 | 2069084160 |
13 | 14738305024 |
14 | 104982503424 |
15 | 747801460736 |
16 | 5326668791808 |
17 | 37942424436736 |
18 | 270267896954880 |
19 | 1925146777223168 |
20 | 13713023838978048 |
21 | 97679317251653632 |
22 | 695780094221746176 |