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 | 2 |
2 | 4 |
3 | 10 |
4 | 30 |
5 | 110 |
6 | 494 |
7 | 2734 |
8 | 18734 |
9 | 159278 |
10 | 1685550 |
11 | 22268974 |
12 | 367653934 |
13 | 7597868078 |
14 | 196929315886 |
15 | 6402998805550 |
16 | 261393582040110 |
17 | 13416320169124910 |
18 | 865576139256079406 |
19 | 70227589169019724846 |
20 | 7172766017169503134766 |
21 | 921829147482582383174702 |