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 | 48 |
3 | 20992 |
4 | 63438848 |
5 | 1771674009600 |
6 | 389343801904201728 |
7 | 761838097494483172065280 |
8 | 12136917084120610801062514786304 |
9 | 1696402284763369899693403606733469777920 |