n | a(n) |
---|---|
3 | 2 |
4 | 5 |
5 | 34 |
6 | 98 |
7 | 496 |
8 | 1545 |
9 | 7010 |
10 | 22924 |
11 | 98636 |
12 | 333463 |
13 | 1393014 |
14 | 4824350 |
15 | 19795200 |
16 | 69818507 |
17 | 283195638 |
18 | 1013208668 |
19 | 4078132240 |
20 | 14758843463 |
21 | 59087809638 |
22 | 215859015800 |
23 | 860951003152 |
24 | 3169965920150 |
25 | 12609168181324 |
26 | 46735070397768 |
27 | 185532421441976 |
28 | 691582241867227 |
[2,5,34,98,496,1545,7010,22924,98636,333463, 1393014,4824350,19795200,69818507,283195638, 1013208668,4078132240,14758843463,59087809638, 215859015800,860951003152,3169965920150, 12609168181324,46735070397768,185532421441976, 691582241867227] |