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 | 9 |
3 | 71 |
4 | 549 |
5 | 4231 |
6 | 32589 |
7 | 250991 |
8 | 1933029 |
9 | 14887351 |
10 | 114655869 |
11 | 883029311 |
12 | 6800705109 |
13 | 52376052871 |
14 | 403377424749 |
15 | 3106636294031 |
16 | 23925952398789 |
17 | 184267208648791 |
18 | 1419145353851229 |
19 | 10929636098173151 |
20 | 84175271345046069 |