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) |
---|---|
1 | 1 |
2 | 2 |
3 | 10 |
4 | 60 |
5 | 406 |
6 | 2940 |
7 | 22304 |
8 | 174960 |
9 | 1407582 |
10 | 11550396 |
11 | 96299472 |
12 | 813433712 |
13 | 6946442776 |
14 | 59872428672 |
15 | 520174647424 |
16 | 4550665293920 |
17 | 40052871669422 |
18 | 354421196057404 |
19 | 3151211548631856 |
20 | 28137903707808048 |
21 | 252219507331523688 |
22 | 2268719274696321856 |
23 | 20472066335198022080 |
24 | 185268984285773695200 |