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 | 5 |
3 | 25 |
4 | 249 |
5 | 2561 |
6 | 40573 |
7 | 641817 |
8 | 14110001 |
9 | 302279617 |
10 | 8530496181 |
11 | 230851019609 |
12 | 7964867290537 |
13 | 260618470319169 |
14 | 10635790073585069 |
15 | 408342804482252761 |
16 | 19246730825243728737 |
17 | 848289638051491455617 |
18 | 45356940470607637151845 |
19 | 2257054105205570995111833 |