n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 6 |
3 | 11 |
4 | 24 |
5 | 51 |
6 | 130 |
7 | 315 |
8 | 834 |
9 | 2195 |
10 | 5934 |
11 | 16107 |
12 | 44368 |
13 | 122643 |
14 | 341802 |
15 | 956635 |
16 | 2690844 |
17 | 7596483 |
18 | 21524542 |
19 | 61171659 |
20 | 174342216 |
21 | 498112275 |
22 | 1426419858 |
23 | 4093181691 |
24 | 11767920118 |
25 | 33891544419 |
26 | 97764131646 |
27 | 282429537947 |
28 | 817028472960 |
29 | 2366564736723 |
[1,3,6,11,24,51,130,315,834,2195,5934,16107,44368, 122643,341802,956635,2690844,7596483,21524542, 61171659,174342216,498112275,1426419858, 4093181691,11767920118,33891544419,97764131646, 282429537947,817028472960,2366564736723] |