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 | 2 |
2 | 10 |
3 | 90 |
4 | 930 |
5 | 10530 |
6 | 126282 |
7 | 1576410 |
8 | 20268930 |
9 | 266591490 |
10 | 3569991370 |
11 | 48509238810 |
12 | 667157894050 |
13 | 9269347395490 |
14 | 129908752970890 |
15 | 1834347364277530 |
16 | 26071297610067970 |
17 | 372683901080814850 |
18 | 5354668071305293450 |
19 | 77286026066830771930 |