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 | 50 |
2 | 8910 |
3 | 2011100 |
4 | 503909070 |
5 | 133954543800 |
6 | 36992598142500 |
7 | 10491379251679040 |
8 | 3034472729231379150 |
9 | 891028813210575018980 |
10 | 264787855164104281785160 |
11 | 79455812929030151249454000 |
12 | 24035311050907120054564683300 |
13 | 7320107028326385998504601648000 |