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 | 2 |
2 | 30 |
3 | 252 |
4 | 1500 |
5 | 7002 |
6 | 27174 |
7 | 91112 |
8 | 271224 |
9 | 731502 |
10 | 1815506 |
11 | 4197468 |
12 | 9129276 |
13 | 18827718 |
14 | 37060506 |
15 | 70006512 |
16 | 127485584 |
17 | 224676522 |
18 | 384468534 |
19 | 640622012 |
20 | 1041949020 |
21 | 1657762722 |
22 | 2584888350 |
23 | 3956576472 |
24 | 5953712520 |
25 | 8818775030 |
26 | 12873059082 |
27 | 18537751260 |