n | a(n) |
---|---|
1 | 2 |
2 | 2 |
3 | 18 |
4 | 71 |
5 | 83 |
6 | 747 |
7 | 1679 |
8 | 7538 |
9 | 22394 |
10 | 65186 |
11 | 177578 |
12 | 370898 |
13 | 1497119 |
14 | 2428283 |
15 | 5285858 |
16 | 47572722 |
17 | 129918074 |
18 | 274553378 |
19 | 1128916463 |
20 | 2107864523 |
21 | 6892205234 |
22 | 25794120683 |
23 | 14732727599 |
24 | 132594548391 |
25 | 214986322034 |
26 | 1934876898306 |
27 | 8608610563379 |
28 | 24645805942151 |
29 | 63317186094563 |
30 | 94369472696663 |
[2,2,18,71,83,747,1679,7538,22394,65186,177578, 370898,1497119,2428283,5285858,47572722,129918074, 274553378,1128916463,2107864523,6892205234, 25794120683,14732727599,132594548391,214986322034, 1934876898306,8608610563379,24645805942151, 63317186094563,94369472696663] |