n | a(n) |
---|---|
3 | 1 |
4 | 1 |
5 | 3 |
6 | 7 |
7 | 18 |
8 | 44 |
9 | 117 |
10 | 299 |
11 | 793 |
12 | 2095 |
13 | 5607 |
14 | 15047 |
15 | 40708 |
16 | 110499 |
17 | 301541 |
18 | 825784 |
19 | 2270211 |
20 | 6260800 |
21 | 17319689 |
22 | 48042494 |
23 | 133606943 |
24 | 372430476 |
25 | 1040426154 |
26 | 2912415527 |
27 | 8167992598 |
28 | 22947778342 |
29 | 64577555147 |
30 | 182009003773 |
31 | 513729375064 |
32 | 1452007713130 |
[1,1,3,7,18,44,117,299,793,2095,5607,15047,40708, 110499,301541,825784,2270211,6260800,17319689, 48042494,133606943,372430476,1040426154, 2912415527,8167992598,22947778342,64577555147, 182009003773,513729375064,1452007713130] |