n | a(n) |
---|---|
5 | 1 |
6 | 3 |
7 | 22 |
8 | 86 |
9 | 470 |
10 | 2066 |
11 | 10299 |
12 | 47503 |
13 | 229792 |
14 | 1081851 |
15 | 5189068 |
16 | 24671320 |
17 | 118223765 |
18 | 565269659 |
19 | 2713032552 |
20 | 13022313334 |
21 | 62644482305 |
22 | 301600159952 |
23 | 1454293747517 |
24 | 7019496361595 |
25 | 33922782653124 |
26 | 164099194834163 |
27 | 794642770006896 |
28 | 3851565096708617 |
[1,3,22,86,470,2066,10299,47503,229792,1081851, 5189068,24671320,118223765,565269659,2713032552, 13022313334,62644482305,301600159952, 1454293747517,7019496361595,33922782653124, 164099194834163,794642770006896,3851565096708617] |