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 | 2 |
3 | 10 |
4 | 40 |
5 | 216 |
6 | 1296 |
7 | 9136 |
8 | 73088 |
9 | 658048 |
10 | 6580480 |
11 | 72386304 |
12 | 868635648 |
13 | 11292267520 |
14 | 158091745280 |
15 | 2371376195584 |
16 | 37942019129344 |
17 | 645014325264384 |
18 | 11610257854758912 |
19 | 220594899240681472 |
20 | 4411897984813629440 |