n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 1 |
8 | 1 |
9 | 8 |
10 | 44 |
11 | 164 |
12 | 494 |
13 | 1286 |
14 | 3002 |
15 | 6434 |
16 | 12869 |
17 | 194464 |
18 | 1925200 |
19 | 12394480 |
20 | 62224336 |
21 | 261667792 |
22 | 959874928 |
23 | 3154435120 |
24 | 9464040829 |
25 | 210311057024 |
26 | 3007458113984 |
27 | 27514536974144 |
28 | 193384741516784 |
29 | 1123028832217904 |
30 | 5617639404687824 |
[1,1,1,1,1,1,1,1,1,8,44,164,494,1286,3002,6434, 12869,194464,1925200,12394480,62224336,261667792, 959874928,3154435120,9464040829,210311057024, 3007458113984,27514536974144,193384741516784, 1123028832217904,5617639404687824] |