n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 3 |
5 | 18 |
6 | 22 |
7 | 119 |
8 | 285 |
9 | 1516 |
10 | 1844 |
11 | 9797 |
12 | 23407 |
13 | 124334 |
14 | 151226 |
15 | 803275 |
16 | 1919129 |
17 | 10193912 |
18 | 12398728 |
19 | 65858793 |
20 | 157345211 |
21 | 835776490 |
22 | 1016544510 |
23 | 5399617791 |
24 | 12900388213 |
25 | 68523478308 |
26 | 83344251132 |
27 | 442702800109 |
[0,0,1,3,18,22,119,285,1516,1844,9797,23407, 124334,151226,803275,1919129,10193912,12398728, 65858793,157345211,835776490,1016544510, 5399617791,12900388213,68523478308,83344251132, 442702800109] |