n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 0 |
3 | 3 |
4 | 11 |
5 | 40 |
6 | 184 |
7 | 1036 |
8 | 12949 |
9 | 88488 |
10 | 807008 |
11 | 7362586 |
12 | 113572183 |
13 | 1238477032 |
14 | 15630890560 |
15 | 228998728050 |
16 | 4141605806441 |
17 | 62222251093216 |
18 | 1030119451142656 |
19 | 19050688698470434 |
20 | 412037845709792107 |
21 | 8102391640556570616 |
22 | 165794307361686866432 |
[1,1,0,3,11,40,184,1036,12949,88488,807008, 7362586,113572183,1238477032,15630890560, 228998728050,4141605806441,62222251093216, 1030119451142656,19050688698470434, 412037845709792107,8102391640556570616, 165794307361686866432] |