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 | 3 |
3 | 16 |
4 | 109 |
5 | 851 |
6 | 7275 |
7 | 66393 |
8 | 637239 |
9 | 6371848 |
10 | 65961782 |
11 | 703953599 |
12 | 7722738071 |
13 | 86924392498 |
14 | 1002603956938 |
15 | 11842465020207 |
16 | 143208130730229 |
17 | 1773099186411938 |
18 | 22483740028949531 |
19 | 292129222113885503 |
20 | 3891268435685371911 |