n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 5 |
5 | 13 |
6 | 34 |
7 | 90 |
8 | 242 |
9 | 660 |
10 | 1822 |
11 | 5085 |
12 | 14333 |
13 | 40759 |
14 | 116817 |
15 | 337140 |
16 | 979098 |
17 | 2859439 |
18 | 8393113 |
19 | 24747052 |
20 | 73262246 |
21 | 217681621 |
22 | 648939319 |
23 | 1940461444 |
24 | 5818595438 |
25 | 17492367097 |
26 | 52712114792 |
27 | 159193762250 |
28 | 481754196170 |
29 | 1460650624068 |
30 | 4436422703787 |
31 | 13496947320929 |
[1,1,2,5,13,34,90,242,660,1822,5085,14333,40759, 116817,337140,979098,2859439,8393113,24747052, 73262246,217681621,648939319,1940461444, 5818595438,17492367097,52712114792,159193762250, 481754196170,1460650624068,4436422703787, 13496947320929] |