n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 9 |
8 | 37 |
9 | 121 |
10 | 331 |
11 | 793 |
12 | 1718 |
13 | 3448 |
14 | 6556 |
15 | 12121 |
16 | 22509 |
17 | 43453 |
18 | 89150 |
19 | 193823 |
20 | 436304 |
21 | 989759 |
22 | 2219064 |
23 | 4869285 |
24 | 10434412 |
25 | 21900170 |
26 | 45297211 |
27 | 93054446 |
28 | 191371581 |
29 | 396480142 |
30 | 830227401 |
31 | 1756883373 |
32 | 3746468095 |
33 | 8017653633 |
34 | 17151612398 |
[1,1,1,1,1,1,2,9,37,121,331,793,1718,3448,6556, 12121,22509,43453,89150,193823,436304,989759, 2219064,4869285,10434412,21900170,45297211, 93054446,191371581,396480142,830227401,1756883373, 3746468095,8017653633,17151612398] |