n | a(n) |
---|---|
0 | 1 |
1 | 6 |
2 | 48 |
3 | 516 |
4 | 7212 |
5 | 125436 |
6 | 2616348 |
7 | 63662556 |
8 | 1770359772 |
9 | 55384885596 |
10 | 1925211581148 |
11 | 73613650011996 |
12 | 3070625126631132 |
13 | 138757783222353756 |
14 | 6752624341715261148 |
15 | 352087859568330751836 |
16 | 19582053567267458627292 |
17 | 1157162515572965014445916 |
[1,6,48,516,7212,125436,2616348,63662556, 1770359772,55384885596,1925211581148, 73613650011996,3070625126631132, 138757783222353756,6752624341715261148, 352087859568330751836,19582053567267458627292, 1157162515572965014445916] |