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) |
---|---|
1 | 1 |
2 | 2 |
3 | 10 |
4 | 66 |
5 | 498 |
6 | 4056 |
7 | 34644 |
8 | 305310 |
9 | 2749110 |
10 | 25142172 |
11 | 232728588 |
12 | 2176116348 |
13 | 20532197196 |
14 | 195344525540 |
15 | 1872680305544 |
16 | 18073069864926 |
17 | 175419949070118 |
18 | 1710976713480396 |
19 | 16761489153049788 |
20 | 164888041322062428 |
21 | 1628416166697339324 |
22 | 16136415431311552992 |
23 | 160333972547949898584 |