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 | 3 |
2 | 16 |
3 | 66 |
4 | 304 |
5 | 1332 |
6 | 5968 |
7 | 26472 |
8 | 117952 |
9 | 524496 |
10 | 2334400 |
11 | 10385568 |
12 | 46213120 |
13 | 205619520 |
14 | 914912512 |
15 | 4070872704 |
16 | 18113348608 |
17 | 80595074304 |
18 | 358607125504 |
19 | 1595618388480 |
20 | 7099688329216 |
21 | 31589989045248 |
22 | 140559334936576 |