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 | 9 |
3 | 33 |
4 | 126 |
5 | 477 |
6 | 1809 |
7 | 6858 |
8 | 26001 |
9 | 98577 |
10 | 373734 |
11 | 1416933 |
12 | 5372001 |
13 | 20366802 |
14 | 77216409 |
15 | 292749633 |
16 | 1109898126 |
17 | 4207943277 |
18 | 15953524209 |
19 | 60484402458 |
20 | 229313780001 |
21 | 869394547377 |
22 | 3296124982134 |