n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 396 |
3 | 23232 |
4 | 411642 |
5 | 3871296 |
6 | 23845140 |
7 | 111025728 |
8 | 425115900 |
9 | 1376240448 |
10 | 3926829456 |
11 | 10279543104 |
12 | 24414551634 |
13 | 54188082432 |
14 | 114524816472 |
15 | 227600201664 |
16 | 431763472602 |
17 | 798975505152 |
18 | 1407866535900 |
[1,0,396,23232,411642,3871296,23845140,111025728, 425115900,1376240448,3926829456,10279543104, 24414551634,54188082432,114524816472,227600201664, 431763472602,798975505152,1407866535900] |