n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 23 |
4 | 96 |
5 | 407 |
6 | 1716 |
7 | 7163 |
8 | 29616 |
9 | 121487 |
10 | 495276 |
11 | 2009603 |
12 | 8124936 |
13 | 32761367 |
14 | 131834436 |
15 | 529712843 |
16 | 2125993056 |
17 | 8525430047 |
18 | 34166159196 |
19 | 136858084883 |
20 | 548012945976 |
21 | 2193794127527 |
22 | 8780404589556 |
23 | 35137304693723 |
24 | 140596281975696 |
25 | 562526325893807 |
26 | 2250528914325516 |
[1,2,6,23,96,407,1716,7163,29616,121487,495276, 2009603,8124936,32761367,131834436,529712843, 2125993056,8525430047,34166159196,136858084883, 548012945976,2193794127527,8780404589556, 35137304693723,140596281975696,562526325893807, 2250528914325516] |