n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 10 |
6 | 29 |
7 | 67 |
8 | 130 |
9 | 276 |
10 | 618 |
11 | 1351 |
12 | 3003 |
13 | 6743 |
14 | 14819 |
15 | 32330 |
16 | 71269 |
17 | 157307 |
18 | 346284 |
19 | 763698 |
20 | 1684996 |
21 | 3710825 |
22 | 8172131 |
23 | 18012691 |
24 | 39696783 |
25 | 87466867 |
26 | 192761407 |
27 | 424805801 |
28 | 936047353 |
29 | 2062639546 |
30 | 4545431460 |
31 | 10016441028 |
[1,1,2,4,10,29,67,130,276,618,1351,3003,6743, 14819,32330,71269,157307,346284,763698,1684996, 3710825,8172131,18012691,39696783,87466867, 192761407,424805801,936047353,2062639546, 4545431460,10016441028] |