n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 5 |
3 | 49 |
4 | 820 |
5 | 21076 |
6 | 773136 |
7 | 38402064 |
8 | 2483133696 |
9 | 202759531776 |
10 | 20407635072000 |
11 | 2482492033152000 |
12 | 359072203696128000 |
13 | 60912644957448192000 |
14 | 11977654199703478272000 |
15 | 2702572249389834608640000 |
[0,1,5,49,820,21076,773136,38402064,2483133696, 202759531776,20407635072000,2482492033152000, 359072203696128000,60912644957448192000, 11977654199703478272000,2702572249389834608640000] |