n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 6 |
4 | 14 |
5 | 31 |
6 | 72 |
7 | 166 |
8 | 390 |
9 | 922 |
10 | 2197 |
11 | 5273 |
12 | 12728 |
13 | 30892 |
14 | 75327 |
15 | 184476 |
16 | 453505 |
17 | 1118798 |
18 | 2768843 |
19 | 6872437 |
20 | 17103411 |
21 | 42670102 |
22 | 106697009 |
23 | 267359854 |
24 | 671260241 |
25 | 1688411587 |
26 | 4254084396 |
27 | 10735614274 |
28 | 27132998096 |
29 | 68671994940 |
30 | 174035109012 |
31 | 441607820562 |
[1,1,3,6,14,31,72,166,390,922,2197,5273,12728, 30892,75327,184476,453505,1118798,2768843,6872437, 17103411,42670102,106697009,267359854,671260241, 1688411587,4254084396,10735614274,27132998096, 68671994940,174035109012,441607820562] |