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 | 1 |
2 | 21 |
3 | 1485 |
4 | 225225 |
5 | 59520825 |
6 | 24325703325 |
7 | 14230536445125 |
8 | 11288163762500625 |
9 | 11665426077721040625 |
10 | 15230046989184655753125 |
11 | 24515740420894935215128125 |
12 | 47702727710977364941596305625 |