n | a(n) |
---|---|
5 | 1 |
6 | 2 |
7 | 10 |
8 | 44 |
9 | 215 |
10 | 1112 |
11 | 6141 |
12 | 35968 |
13 | 222659 |
14 | 1451770 |
15 | 9939702 |
16 | 71265036 |
17 | 533744979 |
18 | 4166533826 |
19 | 33831424388 |
20 | 285213338300 |
21 | 2492259168784 |
22 | 22538314947452 |
23 | 210639529104328 |
24 | 2031804667766532 |
25 | 20203377516199587 |
26 | 206861906112012524 |
27 | 2178715175981722659 |
[1,2,10,44,215,1112,6141,35968,222659,1451770, 9939702,71265036,533744979,4166533826,33831424388, 285213338300,2492259168784,22538314947452, 210639529104328,2031804667766532, 20203377516199587,206861906112012524, 2178715175981722659] |