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 | 7 |
3 | 40 |
4 | 244 |
5 | 1456 |
6 | 8752 |
7 | 52480 |
8 | 314944 |
9 | 1889536 |
10 | 11337472 |
11 | 68024320 |
12 | 408146944 |
13 | 2448879616 |
14 | 14693281792 |
15 | 88159682560 |
16 | 528958111744 |
17 | 3173748637696 |
18 | 19042491891712 |
19 | 114254951219200 |
20 | 685529707577344 |