n | a(n) |
---|---|
0 | 3 |
1 | 6 |
2 | 13 |
3 | 29 |
4 | 65 |
5 | 146 |
6 | 328 |
7 | 737 |
8 | 1657 |
9 | 3726 |
10 | 8379 |
11 | 18843 |
12 | 42375 |
13 | 95295 |
14 | 214305 |
15 | 481942 |
16 | 1083821 |
17 | 2437364 |
18 | 5481296 |
19 | 12326680 |
20 | 27721007 |
21 | 62340730 |
22 | 140195723 |
23 | 315280889 |
24 | 709023335 |
25 | 1594495915 |
26 | 3585801902 |
27 | 8063975053 |
28 | 18134770251 |
29 | 40782602860 |
30 | 91714461944 |
[3,6,13,29,65,146,328,737,1657,3726,8379,18843, 42375,95295,214305,481942,1083821,2437364,5481296, 12326680,27721007,62340730,140195723,315280889, 709023335,1594495915,3585801902,8063975053, 18134770251,40782602860,91714461944] |