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) |
---|---|
4 | 1 |
5 | 20 |
6 | 375 |
7 | 7560 |
8 | 167825 |
9 | 4110120 |
10 | 110602800 |
11 | 3252075750 |
12 | 103881924300 |
13 | 3585467886000 |
14 | 133052005386300 |
15 | 5284678706307000 |
16 | 223761183682286250 |
17 | 10063370411081988000 |
18 | 479152851159102120000 |
19 | 24082014064135799772000 |