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 | 2 |
3 | 5 |
4 | 18 |
5 | 87 |
6 | 518 |
7 | 3621 |
8 | 28962 |
9 | 260651 |
10 | 2606502 |
11 | 28671513 |
12 | 344058146 |
13 | 4472755887 |
14 | 62618582406 |
15 | 939278736077 |
16 | 15028459777218 |
17 | 255483816212691 |
18 | 4598708691828422 |
19 | 87375465144740001 |
20 | 1747509302894800002 |
21 | 36697695360790800023 |
22 | 807349297937397600486 |
23 | 18569033852560144811157 |