n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 6 |
9 | 26 |
10 | 94 |
11 | 308 |
12 | 935 |
13 | 2703 |
14 | 7524 |
15 | 20375 |
16 | 53969 |
17 | 140527 |
18 | 360733 |
19 | 915299 |
20 | 2299430 |
21 | 5728098 |
22 | 14164216 |
23 | 34799522 |
24 | 85007869 |
25 | 206595478 |
26 | 499774485 |
27 | 1203951992 |
28 | 2889243181 |
29 | 6909371375 |
30 | 16469937376 |
31 | 39142669201 |
32 | 92769809724 |
[0,0,0,0,0,0,0,1,6,26,94,308,935,2703,7524,20375, 53969,140527,360733,915299,2299430,5728098, 14164216,34799522,85007869,206595478,499774485, 1203951992,2889243181,6909371375,16469937376, 39142669201,92769809724] |