n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 5 |
5 | 16 |
6 | 82 |
7 | 169 |
8 | 541 |
9 | 2272 |
10 | 17966 |
11 | 44419 |
12 | 201830 |
13 | 802751 |
14 | 4897453 |
15 | 52275409 |
16 | 166257661 |
17 | 840363296 |
18 | 4321172134 |
19 | 24358246735 |
20 | 183351656650 |
21 | 2762567051857 |
22 | 10112898715063 |
23 | 62269802986835 |
24 | 343651382271526 |
25 | 2352104168848091 |
26 | 15649414071734847 |
[1,1,1,4,5,16,82,169,541,2272,17966,44419,201830, 802751,4897453,52275409,166257661,840363296, 4321172134,24358246735,183351656650,2762567051857, 10112898715063,62269802986835,343651382271526, 2352104168848091,15649414071734847] |