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 | 2 |
2 | 24 |
3 | 160 |
4 | 1232 |
5 | 9120 |
6 | 68224 |
7 | 508928 |
8 | 3799296 |
9 | 28357120 |
10 | 211662848 |
11 | 1579868160 |
12 | 11792306176 |
13 | 88018952192 |
14 | 656982441984 |
15 | 4903783628800 |
16 | 36602339459072 |
17 | 273203580764160 |
18 | 2039219289063424 |
19 | 15220939987877888 |