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 | 30 |
4 | 210 |
5 | 1595 |
6 | 12791 |
7 | 106574 |
8 | 913562 |
9 | 8004861 |
10 | 71375653 |
11 | 645536234 |
12 | 5907683486 |
13 | 54605672300 |
14 | 509043322720 |
15 | 4780441915832 |
16 | 45182744331388 |
17 | 429472919087158 |
18 | 4102806757542542 |
19 | 39370967793387086 |
20 | 379335734835510622 |
21 | 3668220243145708341 |