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) |
---|---|
3 | 10 |
4 | 840 |
5 | 257040 |
6 | 137260200 |
7 | 118273755600 |
8 | 154712104747200 |
9 | 292311804557572800 |
10 | 766931112143320924800 |
11 | 2706462791802644002128000 |
12 | 12512595130808078973370704000 |
13 | 74130965352250071944327288640000 |
14 | 552334353713465817349513210512960000 |
15 | 5092566798555894395129552704613028960000 |