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 | 6 |
3 | 26 |
4 | 148 |
5 | 1052 |
6 | 8974 |
7 | 89294 |
8 | 1015480 |
9 | 12991832 |
10 | 184682554 |
11 | 2887850858 |
12 | 49261993444 |
13 | 910356170804 |
14 | 18117379906630 |
15 | 386315966673638 |
16 | 8786555389140976 |
17 | 212335975835710256 |
18 | 5433155029435593970 |
19 | 146744457899073450050 |
20 | 4172032796528725318876 |