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 | 1 |
2 | 6 |
3 | 48 |
4 | 442 |
5 | 4419 |
6 | 46626 |
7 | 511032 |
8 | 5761650 |
9 | 66394596 |
10 | 778518552 |
11 | 9258850440 |
12 | 111417705702 |
13 | 1354135251538 |
14 | 16598001854700 |
15 | 204945037918800 |
16 | 2546849778687138 |
17 | 31828936270676172 |
18 | 399777371427582024 |
19 | 5043824569861127808 |
20 | 63892650400004356776 |