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 | 168 |
2 | 85680 |
3 | 50388000 |
4 | 31479903000 |
5 | 20342022734880 |
6 | 13431668094985140 |
7 | 9002968680250888200 |
8 | 6101557410115488321000 |
9 | 4170391891453158061891200 |
10 | 2869634745103513910507157888 |
11 | 1985363415926004500849300108544 |
12 | 1379778913200535726019164327886400 |
13 | 962553011288199733460143650698784000 |