n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 11 |
4 | 24 |
5 | 53 |
6 | 118 |
7 | 260 |
8 | 576 |
9 | 1275 |
10 | 2822 |
11 | 6246 |
12 | 13824 |
13 | 30598 |
14 | 67723 |
15 | 149897 |
16 | 331776 |
17 | 734341 |
18 | 1625364 |
19 | 3597522 |
20 | 7962624 |
21 | 17624184 |
22 | 39008732 |
23 | 86340516 |
24 | 191102976 |
25 | 422980417 |
26 | 936209559 |
27 | 2072172384 |
[1,2,5,11,24,53,118,260,576,1275,2822,6246,13824, 30598,67723,149897,331776,734341,1625364,3597522, 7962624,17624184,39008732,86340516,191102976, 422980417,936209559,2072172384] |