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 | 4 |
2 | 28 |
3 | 240 |
4 | 2316 |
5 | 24240 |
6 | 269392 |
7 | 3135808 |
8 | 37869676 |
9 | 471189680 |
10 | 6008850512 |
11 | 78221787968 |
12 | 1036166807056 |
13 | 13931585235520 |
14 | 189737945839552 |
15 | 2613162137898752 |
16 | 36344513366001452 |
17 | 509885938301354672 |
18 | 7208577711881000912 |