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 | 6 |
3 | 34 |
4 | 217 |
5 | 1449 |
6 | 9996 |
7 | 70512 |
8 | 505674 |
9 | 3672682 |
10 | 26943748 |
11 | 199284540 |
12 | 1483955746 |
13 | 11113108930 |
14 | 83628685440 |
15 | 631963708200 |
16 | 4793067536265 |
17 | 36469419494985 |
18 | 278278625232510 |
19 | 2128794954411930 |
20 | 16322188021280505 |
21 | 125405739232800585 |
22 | 965313101906567700 |