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 | 3 |
2 | 15 |
3 | 108 |
4 | 945 |
5 | 9558 |
6 | 109917 |
7 | 1412316 |
8 | 19959777 |
9 | 306805482 |
10 | 5087064789 |
11 | 90370321704 |
12 | 1710170426097 |
13 | 34308056537550 |
14 | 726612812416269 |
15 | 16188742781216892 |
16 | 378244417385086785 |
17 | 9242436410233527762 |
18 | 235609985190361119525 |
19 | 6252379688953421699760 |
20 | 172380307421633200750161 |