n | a(n) |
---|---|
3 | 0 |
4 | 1 |
5 | 10 |
6 | 61 |
7 | 313 |
8 | 1520 |
9 | 7373 |
10 | 36627 |
11 | 188396 |
12 | 1007708 |
13 | 5612677 |
14 | 32551400 |
15 | 196447095 |
16 | 1232448403 |
17 | 8028591686 |
18 | 54240974862 |
19 | 379574487845 |
20 | 2748022434268 |
21 | 20558256639096 |
22 | 158746877185099 |
23 | 1263892981174760 |
24 | 10364745848886935 |
25 | 87464284123646375 |
26 | 758804198576946316 |
[0,1,10,61,313,1520,7373,36627,188396,1007708, 5612677,32551400,196447095,1232448403,8028591686, 54240974862,379574487845,2748022434268, 20558256639096,158746877185099,1263892981174760, 10364745848886935,87464284123646375, 758804198576946316] |