n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 6 |
3 | 29 |
4 | 130 |
5 | 561 |
6 | 2366 |
7 | 9829 |
8 | 40410 |
9 | 164921 |
10 | 669526 |
11 | 2707629 |
12 | 10919090 |
13 | 43942081 |
14 | 176565486 |
15 | 708653429 |
16 | 2841788170 |
17 | 11388676041 |
18 | 45619274246 |
19 | 182670807229 |
20 | 731264359650 |
21 | 2926800830801 |
22 | 11712433499806 |
23 | 46865424529029 |
24 | 187508769705530 |
25 | 750176293590361 |
26 | 3001128818666166 |
[0,1,6,29,130,561,2366,9829,40410,164921,669526, 2707629,10919090,43942081,176565486,708653429, 2841788170,11388676041,45619274246,182670807229, 731264359650,2926800830801,11712433499806, 46865424529029,187508769705530,750176293590361, 3001128818666166] |