n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 10 |
6 | 20 |
7 | 38 |
8 | 71 |
9 | 130 |
10 | 235 |
11 | 420 |
12 | 744 |
13 | 1308 |
14 | 2285 |
15 | 3970 |
16 | 6865 |
17 | 11822 |
18 | 20284 |
19 | 34690 |
20 | 59155 |
21 | 100610 |
22 | 170711 |
23 | 289032 |
24 | 488400 |
25 | 823800 |
26 | 1387225 |
27 | 2332418 |
28 | 3916061 |
29 | 6566290 |
30 | 10996580 |
31 | 18394910 |
32 | 30737759 |
33 | 51310978 |
34 | 85573315 |
35 | 142587180 |
36 | 237387960 |
37 | 394905492 |
[0,0,1,2,5,10,20,38,71,130,235,420,744,1308,2285, 3970,6865,11822,20284,34690,59155,100610,170711, 289032,488400,823800,1387225,2332418,3916061, 6566290,10996580,18394910,30737759,51310978, 85573315,142587180,237387960,394905492] |