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 | 1320 |
3 | 146520000 |
4 | 1368698694000000 |
5 | 1075984617953259154800000 |
6 | 71185491858527630409715040263200000 |
7 | 396336553255260873925931533264339353950473200000 |
8 | 185705162149755607151153966767311643039842133737264420356400000 |