n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 6 |
4 | 14 |
5 | 33 |
6 | 79 |
7 | 188 |
8 | 448 |
9 | 1068 |
10 | 2545 |
11 | 6065 |
12 | 14454 |
13 | 34446 |
14 | 82090 |
15 | 195633 |
16 | 466223 |
17 | 1111080 |
18 | 2647872 |
19 | 6310280 |
20 | 15038353 |
21 | 35838673 |
22 | 85408986 |
23 | 203542550 |
24 | 485072726 |
25 | 1156001777 |
26 | 2754927327 |
27 | 6565409092 |
28 | 15646364288 |
29 | 37287655956 |
30 | 88862131873 |
[1,1,2,6,14,33,79,188,448,1068,2545,6065,14454, 34446,82090,195633,466223,1111080,2647872,6310280, 15038353,35838673,85408986,203542550,485072726, 1156001777,2754927327,6565409092,15646364288, 37287655956,88862131873] |