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 | 0 |
1 | 2 |
2 | 18 |
3 | 126 |
4 | 810 |
5 | 5022 |
6 | 30618 |
7 | 185166 |
8 | 1115370 |
9 | 6705342 |
10 | 40271418 |
11 | 241746606 |
12 | 1450833930 |
13 | 8706066462 |
14 | 52239587418 |
15 | 313447090446 |
16 | 1880711240490 |
17 | 11284353536382 |
18 | 67706379498618 |
19 | 406239051832686 |
20 | 2437436635519050 |
21 | 14624626786683102 |
22 | 87747781640805018 |