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 | 0 |
2 | 6 |
3 | 50 |
4 | 295 |
5 | 1450 |
6 | 6706 |
7 | 29790 |
8 | 129900 |
9 | 559680 |
10 | 2395701 |
11 | 10212620 |
12 | 43430140 |
13 | 184412740 |
14 | 782337466 |
15 | 3317046390 |
16 | 14059122315 |
17 | 59576034630 |
18 | 252422169726 |
19 | 1069418901650 |
20 | 4530501461200 |
21 | 19192481509300 |
22 | 81303194179081 |
23 | 344412501233400 |
24 | 1458972161656920 |