n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 8 |
5 | 22 |
6 | 65 |
7 | 200 |
8 | 637 |
9 | 2090 |
10 | 7021 |
11 | 24041 |
12 | 83611 |
13 | 294511 |
14 | 1048376 |
15 | 3765080 |
16 | 13623820 |
17 | 49617990 |
18 | 181733222 |
19 | 668947823 |
20 | 2473277248 |
21 | 9180700787 |
22 | 34200489886 |
23 | 127819746470 |
24 | 479124333321 |
25 | 1800838945043 |
26 | 6785517883825 |
27 | 25626477179000 |
28 | 96988079848223 |
29 | 367794448974300 |
30 | 1397301289617580 |
[1,1,3,8,22,65,200,637,2090,7021,24041,83611, 294511,1048376,3765080,13623820,49617990, 181733222,668947823,2473277248,9180700787, 34200489886,127819746470,479124333321, 1800838945043,6785517883825,25626477179000, 96988079848223,367794448974300,1397301289617580] |