n | a(n) |
---|---|
3 | 0 |
4 | 1 |
5 | 3 |
6 | 9 |
7 | 11 |
8 | 25 |
9 | 49 |
10 | 149 |
11 | 266 |
12 | 587 |
13 | 1428 |
14 | 3157 |
15 | 7314 |
16 | 17592 |
17 | 41512 |
18 | 106222 |
19 | 261835 |
20 | 672519 |
21 | 1737880 |
22 | 4544713 |
23 | 11855007 |
24 | 31397844 |
25 | 82703872 |
26 | 219137228 |
27 | 580141297 |
28 | 1538683074 |
29 | 4079553827 |
30 | 10827431751 |
[0,1,3,9,11,25,49,149,266,587,1428,3157,7314, 17592,41512,106222,261835,672519,1737880,4544713, 11855007,31397844,82703872,219137228,580141297, 1538683074,4079553827,10827431751] |