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 | 4 |
1 | 10 |
2 | 55 |
3 | 1540 |
4 | 1186570 |
5 | 703974775735 |
6 | 247790242435923759782980 |
7 | 30700002123226936025189367747945843590228731690 |
8 | 471245065183069190019624521318729501785547966685566656416776916445985874756815447988119493895 |