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 | 7 |
3 | 42 |
4 | 291 |
5 | 2970 |
6 | 36950 |
7 | 597100 |
8 | 11070875 |
9 | 248103940 |
10 | 7018494836 |
11 | 215718595582 |
12 | 7881561212732 |
13 | 320881902092122 |
14 | 13754717161317416 |
15 | 643588827524430916 |
16 | 33926485821837232397 |
17 | 1992916854095359256932 |
18 | 121393059052727838936847 |
19 | 8107963745977267426512386 |
20 | 574571379331620422000295082 |