n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 1 |
9 | 7 |
10 | 34 |
11 | 136 |
12 | 487 |
13 | 1615 |
14 | 5079 |
15 | 15349 |
16 | 45009 |
17 | 128899 |
18 | 362266 |
19 | 1002681 |
20 | 2740448 |
21 | 7411408 |
22 | 19865445 |
23 | 52840977 |
24 | 139624510 |
25 | 366803313 |
26 | 958696860 |
27 | 2494322662 |
28 | 6463281890 |
29 | 16686206047 |
30 | 42935345688 |
31 | 110142163940 |
32 | 281763465941 |
[0,0,0,0,0,0,0,1,7,34,136,487,1615,5079,15349, 45009,128899,362266,1002681,2740448,7411408, 19865445,52840977,139624510,366803313,958696860, 2494322662,6463281890,16686206047,42935345688, 110142163940,281763465941] |