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 | 6 |
2 | 210 |
3 | 30030 |
4 | 9699690 |
5 | 6469693230 |
6 | 6016814703900 |
7 | 9127507905816300 |
8 | 18446693477654742300 |
9 | 57682810504626379172100 |
10 | 235749646532408011676372700 |
11 | 1221890417977470724518639704100 |
12 | 8011935470678275540668720539783700 |
13 | 69167038918365552742593064419952682100 |