n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 7 |
8 | 32 |
9 | 131 |
10 | 516 |
11 | 1988 |
12 | 7664 |
13 | 29765 |
14 | 117169 |
15 | 467266 |
16 | 1880517 |
17 | 7588675 |
18 | 30491836 |
19 | 121191234 |
20 | 473940269 |
21 | 1816579108 |
22 | 6806904522 |
23 | 24897540538 |
24 | 88831250408 |
25 | 309108741706 |
26 | 1049278764758 |
27 | 3476233500031 |
28 | 11246972937210 |
29 | 35561409388625 |
30 | 109967835029368 |
31 | 332834886787933 |
32 | 986732945823099 |
[0,0,0,0,0,1,7,32,131,516,1988,7664,29765,117169, 467266,1880517,7588675,30491836,121191234, 473940269,1816579108,6806904522,24897540538, 88831250408,309108741706,1049278764758, 3476233500031,11246972937210,35561409388625, 109967835029368,332834886787933,986732945823099] |