n | a(n) |
---|---|
5 | 1 |
6 | 3 |
7 | 14 |
8 | 44 |
9 | 138 |
10 | 458 |
11 | 1397 |
12 | 4219 |
13 | 12974 |
14 | 39270 |
15 | 118004 |
16 | 355924 |
17 | 1071425 |
18 | 3217011 |
19 | 9662070 |
20 | 29016280 |
21 | 87083486 |
22 | 261322358 |
23 | 784185253 |
24 | 2352907211 |
25 | 7059288006 |
26 | 21179391714 |
27 | 63541238088 |
28 | 190628647440 |
29 | 571896993217 |
30 | 1715715461187 |
31 | 5147189398142 |
32 | 15441653075684 |
[1,3,14,44,138,458,1397,4219,12974,39270,118004, 355924,1071425,3217011,9662070,29016280,87083486, 261322358,784185253,2352907211,7059288006, 21179391714,63541238088,190628647440,571896993217, 1715715461187,5147189398142,15441653075684] |