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 | 0 |
1 | 0 |
2 | 0 |
3 | 36 |
4 | 432 |
5 | 7500 |
6 | 191700 |
7 | 6899592 |
8 | 334858944 |
9 | 21143500992 |
10 | 1687177771200 |
11 | 166164785309952 |
12 | 19807714583407872 |
13 | 2811642170175940608 |
14 | 468723024212650002432 |
15 | 90691236890980830683136 |
16 | 20158684374653040962764800 |
17 | 5101828835401918167928012800 |
18 | 1458612909355515900114154291200 |