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 | 10 |
3 | 68 |
4 | 484 |
5 | 3464 |
6 | 24808 |
7 | 177680 |
8 | 1272592 |
9 | 9114656 |
10 | 65281696 |
11 | 467565632 |
12 | 3348834880 |
13 | 23985285248 |
14 | 171789272704 |
15 | 1230402470144 |
16 | 8812484124928 |
17 | 63117458178560 |
18 | 452064760678912 |
19 | 3237813336359936 |
20 | 23190118126806016 |