n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 9 |
5 | 19 |
6 | 38 |
7 | 84 |
8 | 193 |
9 | 430 |
10 | 940 |
11 | 2074 |
12 | 4609 |
13 | 10223 |
14 | 22611 |
15 | 50022 |
16 | 110780 |
17 | 245348 |
18 | 543189 |
19 | 1202511 |
20 | 2662417 |
21 | 5894961 |
22 | 13051820 |
23 | 28897016 |
24 | 63979205 |
25 | 141653762 |
26 | 313629217 |
27 | 694390210 |
28 | 1537413824 |
29 | 3403913006 |
30 | 7536438344 |
[1,1,1,3,9,19,38,84,193,430,940,2074,4609,10223, 22611,50022,110780,245348,543189,1202511,2662417, 5894961,13051820,28897016,63979205,141653762, 313629217,694390210,1537413824,3403913006, 7536438344] |