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) |
---|---|
1 | 1 |
2 | 2 |
3 | 225 |
4 | 4050 |
5 | 66528 |
6 | 113400 |
7 | 120960 |
8 | 92802153185280 |
9 | 726046074908612178739200000000000 |
10 | 3524292573661555639437312000000000000 |
11 | 2308850758786565168980497090478080000000000 |
12 | 142039354014714204088514497565910023710398021722450165760000000000000000 |