n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 8 |
4 | 49 |
5 | 305 |
6 | 1984 |
7 | 13686 |
8 | 100124 |
9 | 776885 |
10 | 6386677 |
11 | 55532358 |
12 | 509549386 |
13 | 4921352952 |
14 | 49899820572 |
15 | 529807799836 |
16 | 5876162077537 |
17 | 67928460444139 |
18 | 816764249684450 |
19 | 10195486840926032 |
20 | 131896905499007474 |
21 | 1765587483656124106 |
22 | 24419774819813602870 |
[0,1,8,49,305,1984,13686,100124,776885,6386677, 55532358,509549386,4921352952,49899820572, 529807799836,5876162077537,67928460444139, 816764249684450,10195486840926032, 131896905499007474,1765587483656124106, 24419774819813602870] |