n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 12 |
4 | 29 |
5 | 70 |
6 | 169 |
7 | 409 |
8 | 995 |
9 | 2439 |
10 | 6033 |
11 | 15068 |
12 | 38005 |
13 | 96807 |
14 | 249049 |
15 | 647137 |
16 | 1698303 |
17 | 4500410 |
18 | 12038113 |
19 | 32489271 |
20 | 88423967 |
21 | 242549338 |
22 | 670146047 |
23 | 1863859739 |
24 | 5215185383 |
25 | 14671904315 |
26 | 41478618523 |
27 | 117776926366 |
28 | 335729266137 |
[1,2,5,12,29,70,169,409,995,2439,6033,15068,38005, 96807,249049,647137,1698303,4500410,12038113, 32489271,88423967,242549338,670146047,1863859739, 5215185383,14671904315,41478618523,117776926366, 335729266137] |