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 | 1 |
3 | 5 |
4 | 42 |
5 | 471 |
6 | 6422 |
7 | 101439 |
8 | 1803949 |
9 | 35459549 |
10 | 760744865 |
11 | 17651187689 |
12 | 439893743313 |
13 | 11711735210140 |
14 | 331666197753372 |
15 | 9954249177284539 |
16 | 315638779480717743 |
17 | 10545365878475964736 |
18 | 370309787453143694246 |
19 | 13637805276205022293179 |
20 | 525684316153586923528166 |