n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 7 |
4 | 33 |
5 | 121 |
6 | 378 |
7 | 1065 |
8 | 2803 |
9 | 7045 |
10 | 17148 |
11 | 40789 |
12 | 95373 |
13 | 220065 |
14 | 502414 |
15 | 1136977 |
16 | 2553831 |
17 | 5699149 |
18 | 12645504 |
19 | 27914877 |
20 | 61337665 |
21 | 134213065 |
22 | 292547346 |
23 | 635430937 |
24 | 1375724763 |
25 | 2969559381 |
26 | 6392110468 |
27 | 13723752805 |
28 | 29393671413 |
29 | 62813884465 |
30 | 133949278998 |
31 | 285078439329 |
32 | 605590372303 |
[0,0,1,7,33,121,378,1065,2803,7045,17148,40789, 95373,220065,502414,1136977,2553831,5699149, 12645504,27914877,61337665,134213065,292547346, 635430937,1375724763,2969559381,6392110468, 13723752805,29393671413,62813884465,133949278998, 285078439329,605590372303] |