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) |
---|---|
2 | 1 |
3 | 3 |
4 | 28 |
5 | 510 |
6 | 18631 |
7 | 1351413 |
8 | 194192398 |
9 | 55272612720 |
10 | 31184369778961 |
11 | 34909296450535023 |
12 | 77616063417393956368 |
13 | 343049603717222441078130 |
14 | 3016429354620114423122804491 |
15 | 52801416275268069417410827891833 |