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 | 2 |
3 | 6 |
4 | 15 |
5 | 45 |
6 | 136 |
7 | 430 |
8 | 1415 |
9 | 4845 |
10 | 17235 |
11 | 63509 |
12 | 242854 |
13 | 959904 |
14 | 3926209 |
15 | 16564083 |
16 | 72097127 |
17 | 322898943 |
18 | 1487602607 |
19 | 7034420691 |
20 | 34122991199 |
21 | 169499127425 |
22 | 861596397518 |
23 | 4475340840980 |
24 | 23738200183570 |
25 | 128427236055296 |
26 | 708248486616539 |
27 | 3977551340260517 |