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) |
---|---|
1 | 1 |
2 | 15 |
3 | 1175 |
4 | 294330 |
5 | 181082204 |
6 | 231844265940 |
7 | 551220029003580 |
8 | 2239429013789400720 |
9 | 14591040654287257562304 |
10 | 145033009542380637757759680 |
11 | 2112192468307817772279540177600 |