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 | 142 |
3 | 5676 |
4 | 318744 |
5 | 23046370 |
6 | 2038090320 |
7 | 213094791840 |
8 | 25714702990720 |
9 | 3517403388684030 |
10 | 537798502938028800 |
11 | 90890936781714193300 |
12 | 16825134146527678233600 |
13 | 3385560150770468257273050 |
14 | 735772370353606135149107200 |
15 | 171753027520961356975091493000 |