n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 4 |
6 | 5 |
7 | 6 |
8 | 41 |
9 | 208 |
10 | 711 |
11 | 1970 |
12 | 4741 |
13 | 10284 |
14 | 123397 |
15 | 1041224 |
16 | 5690415 |
17 | 24359248 |
18 | 87922385 |
19 | 278723178 |
20 | 4777712981 |
21 | 56439873880 |
22 | 424119250083 |
23 | 2456329637366 |
24 | 11821181689417 |
25 | 49308397822776 |
26 | 1098781192727401 |
27 | 16688667550625072 |
28 | 159609583197355203 |
[1,1,1,2,3,4,5,6,41,208,711,1970,4741,10284, 123397,1041224,5690415,24359248,87922385, 278723178,4777712981,56439873880,424119250083, 2456329637366,11821181689417,49308397822776, 1098781192727401,16688667550625072, 159609583197355203] |