n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 12 |
5 | 35 |
6 | 101 |
7 | 305 |
8 | 998 |
9 | 3192 |
10 | 10721 |
11 | 37044 |
12 | 126994 |
13 | 452386 |
14 | 1619673 |
15 | 5826276 |
16 | 21492264 |
17 | 79114692 |
18 | 294519731 |
19 | 1111169430 |
20 | 4186163252 |
21 | 15968539928 |
22 | 61242924850 |
23 | 235275484768 |
24 | 913138496950 |
25 | 3549546890306 |
26 | 13857948020131 |
27 | 54467713887561 |
28 | 214249217663498 |
29 | 847320663811610 |
30 | 3363260752897618 |
[1,1,2,5,12,35,101,305,998,3192,10721,37044, 126994,452386,1619673,5826276,21492264,79114692, 294519731,1111169430,4186163252,15968539928, 61242924850,235275484768,913138496950, 3549546890306,13857948020131,54467713887561, 214249217663498,847320663811610,3363260752897618] |