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 | 560 |
2 | 190399 |
3 | 64735100 |
4 | 22009743601 |
5 | 7483248089240 |
6 | 2544282340597999 |
7 | 865048512555230420 |
8 | 294113949986437744801 |
9 | 99997877946876278001920 |
10 | 33998984387987948082907999 |
11 | 11559554694037955471910717740 |
12 | 3930214596988516872501561123601 |