n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 3 |
6 | 19 |
7 | 150 |
8 | 2590 |
9 | 84245 |
10 | 5203135 |
11 | 577076735 |
12 | 113373008891 |
13 | 39618075369549 |
14 | 24916469695937480 |
15 | 28563628406766988588 |
16 | 60366734880395211775791 |
17 | 237406976195471782149927759 |
18 | 1750330442243458287054664072364 |
[0,0,0,0,1,3,19,150,2590,84245,5203135,577076735, 113373008891,39618075369549,24916469695937480, 28563628406766988588,60366734880395211775791, 237406976195471782149927759, 1750330442243458287054664072364] |