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 | 72 |
2 | 466560 |
3 | 247608990720 |
4 | 10657130578027315200 |
5 | 37158487365982254056334950400 |
6 | 10494634615565778355427184150449750016000 |
7 | 240083527795435700509596514439839216948307004751872000 |
8 | 444879613680905841995130298273091805272041653799250478127267184640000 |