n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 1 |
3 | 4 |
4 | 5 |
5 | 16 |
6 | 82 |
7 | 169 |
8 | 1381 |
9 | 4162 |
10 | 34346 |
11 | 109099 |
12 | 1114610 |
13 | 5041271 |
14 | 39441963 |
15 | 269812729 |
16 | 1972727781 |
17 | 14983080612 |
18 | 126099739072 |
19 | 989666749503 |
20 | 8839669627570 |
21 | 79767000198673 |
22 | 725399587976669 |
23 | 6979798715649335 |
24 | 69812296785011890 |
25 | 703554021895986941 |
[0,1,1,4,5,16,82,169,1381,4162,34346,109099, 1114610,5041271,39441963,269812729,1972727781, 14983080612,126099739072,989666749503, 8839669627570,79767000198673,725399587976669, 6979798715649335,69812296785011890, 703554021895986941] |