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 | 1 |
2 | 8 |
3 | 30 |
4 | 100 |
5 | 280 |
6 | 728 |
7 | 1764 |
8 | 4080 |
9 | 9075 |
10 | 19580 |
11 | 41184 |
12 | 84812 |
13 | 171535 |
14 | 341600 |
15 | 671160 |
16 | 1303152 |
17 | 2503896 |
18 | 4766340 |
19 | 8997450 |
20 | 16856840 |
21 | 31366181 |
22 | 58001768 |
23 | 106646400 |
24 | 195065000 |
25 | 355074525 |
26 | 643465368 |
27 | 1161281394 |