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 | 4 |
2 | 18 |
3 | 86 |
4 | 428 |
5 | 2192 |
6 | 11468 |
7 | 60986 |
8 | 328532 |
9 | 1788368 |
10 | 9819128 |
11 | 54302712 |
12 | 302157424 |
13 | 1690193728 |
14 | 9497996152 |
15 | 53588976802 |
16 | 303434431108 |
17 | 1723578967056 |
18 | 9818195961512 |
19 | 56071829010968 |
20 | 320970950634288 |
21 | 1841213871449152 |
22 | 10582333064327824 |
23 | 60929582362628968 |
24 | 351385363433883472 |