n | a(n) |
---|---|
7 | 1 |
8 | 3 |
9 | 9 |
10 | 25 |
11 | 66 |
12 | 170 |
13 | 431 |
14 | 1076 |
15 | 2665 |
16 | 6560 |
17 | 16067 |
18 | 39219 |
19 | 95476 |
20 | 231970 |
21 | 562736 |
22 | 1363640 |
23 | 3301586 |
24 | 7988916 |
25 | 19322585 |
26 | 46722160 |
27 | 112955614 |
28 | 273063236 |
29 | 660116215 |
30 | 1595906490 |
31 | 3858740567 |
32 | 9331539319 |
33 | 22570697689 |
34 | 54605064084 |
35 | 132137719127 |
36 | 319841444030 |
[1,3,9,25,66,170,431,1076,2665,6560,16067,39219, 95476,231970,562736,1363640,3301586,7988916, 19322585,46722160,112955614,273063236,660116215, 1595906490,3858740567,9331539319,22570697689, 54605064084,132137719127,319841444030] |