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 | 3 |
2 | 972 |
3 | 437987088 |
4 | 1396064690700615936 |
5 | 100943980553724942717460016640000 |
6 | 408685260379151918936869901376463191556211834880000 |
7 | 193581283410907012468703321819613695893448022144552623141894180044800000000 |