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 | 0 |
2 | 2 |
3 | 2403588 |
4 | 36734931452736 |
5 | 3470403228952634903280 |
6 | 1490944857678655357195402606800 |
7 | 2315418264816304038508896461231618573280 |
8 | 10937192762438008527903830198163831816546577931520 |