n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 9 |
4 | 30 |
5 | 195 |
6 | 1545 |
7 | 12474 |
8 | 95564 |
9 | 1199397 |
10 | 14287845 |
11 | 167518846 |
12 | 2341450386 |
13 | 34489552331 |
14 | 540927170147 |
15 | 10114629115798 |
16 | 175935142966408 |
17 | 3184271322683385 |
18 | 68623817313870153 |
19 | 1442553498798565142 |
20 | 31856896467060026670 |
21 | 787164874800260366287 |
22 | 19097783293834170329239 |
[1,1,2,9,30,195,1545,12474,95564,1199397,14287845, 167518846,2341450386,34489552331,540927170147, 10114629115798,175935142966408,3184271322683385, 68623817313870153,1442553498798565142, 31856896467060026670,787164874800260366287, 19097783293834170329239] |