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 | 15120 |
2 | 3491888400 |
3 | 1304290155168000 |
4 | 601680868708529610000 |
5 | 312696069714024464473125120 |
6 | 175460887238127057573116837126400 |
7 | 103865765423748548466734695459219968000 |
8 | 63958974275578307119821712720619705931210000 |
9 | 40596987692554701292235753375257230410967703200000 |