n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 10 |
3 | 48 |
4 | 176 |
5 | 560 |
6 | 1632 |
7 | 4480 |
8 | 11776 |
9 | 29952 |
10 | 74240 |
11 | 180224 |
12 | 430080 |
13 | 1011712 |
14 | 2351104 |
15 | 5406720 |
16 | 12320768 |
17 | 27852800 |
18 | 62521344 |
19 | 139460608 |
20 | 309329920 |
21 | 682622976 |
22 | 1499463680 |
23 | 3279945728 |
24 | 7147094016 |
25 | 15518924800 |
26 | 33587986432 |
[0,1,10,48,176,560,1632,4480,11776,29952,74240, 180224,430080,1011712,2351104,5406720,12320768, 27852800,62521344,139460608,309329920,682622976, 1499463680,3279945728,7147094016,15518924800, 33587986432] |