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 | 3 |
3 | 280 |
4 | 2627625 |
5 | 5194672859376 |
6 | 5150805819130303332 |
7 | 1461034854396267778567973305958400 |
8 | 450538787986875167583433232345723106006796340625 |
9 | 146413934927214422927834111686633731590253260933067148964500000000 |