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) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 4 |
5 | 14 |
6 | 48 |
7 | 201 |
8 | 812 |
9 | 3455 |
10 | 14961 |
11 | 65954 |
12 | 294884 |
13 | 1334526 |
14 | 6098879 |
15 | 28114885 |
16 | 130561444 |
17 | 610244889 |
18 | 2868547475 |
19 | 13552299256 |
20 | 64316483918 |
21 | 306473091394 |
22 | 1465727378317 |
23 | 7033293786125 |
24 | 33851816310445 |
25 | 163384902125185 |
26 | 790589562321385 |
27 | 3834540111072545 |
28 | 18638976010097900 |