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 | 31 |
2 | 930 |
3 | 27900 |
4 | 837000 |
5 | 25110000 |
6 | 753299535 |
7 | 22598972100 |
8 | 677968744965 |
9 | 20339049807900 |
10 | 610171118005500 |
11 | 18305122253220000 |
12 | 549153328988465760 |
13 | 16474589711416216125 |
14 | 494237386595541683490 |
15 | 14827112455463543698875 |