n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 4 |
5 | 7 |
6 | 16 |
7 | 43 |
8 | 124 |
9 | 367 |
10 | 1096 |
11 | 3283 |
12 | 9844 |
13 | 29527 |
14 | 88576 |
15 | 265723 |
16 | 797164 |
17 | 2391487 |
18 | 7174456 |
19 | 21523363 |
20 | 64570084 |
21 | 193710247 |
22 | 581130736 |
23 | 1743392203 |
24 | 5230176604 |
25 | 15690529807 |
26 | 47071589416 |
27 | 141214768243 |
28 | 423644304724 |
29 | 1270932914167 |
30 | 3812798742496 |
[1,1,3,4,7,16,43,124,367,1096,3283,9844,29527, 88576,265723,797164,2391487,7174456,21523363, 64570084,193710247,581130736,1743392203, 5230176604,15690529807,47071589416,141214768243, 423644304724,1270932914167,3812798742496] |