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 | 0 |
2 | 0 |
3 | 1 |
4 | 10 |
5 | 112 |
6 | 1760 |
7 | 35150 |
8 | 848932 |
9 | 24243520 |
10 | 805036704 |
11 | 30649435140 |
12 | 1322299270600 |
13 | 64008728200384 |
14 | 3447361661136640 |
15 | 205070807479444088 |
16 | 13388424264027157520 |
17 | 953966524932871436800 |
18 | 73817914562041635228928 |