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 | 2 |
2 | 6 |
3 | 144 |
4 | 15390 |
5 | 6580224 |
6 | 11386265292 |
7 | 80284132772352 |
8 | 2304717583810291830 |
9 | 268613293782939614576640 |
10 | 126760224526971269877523841364 |
11 | 241675282146473482949215936098066432 |