n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 6 |
7 | 13 |
8 | 29 |
9 | 64 |
10 | 148 |
11 | 355 |
12 | 857 |
13 | 2100 |
14 | 5198 |
15 | 12960 |
16 | 32701 |
17 | 82826 |
18 | 211352 |
19 | 541832 |
20 | 1397654 |
21 | 3614607 |
22 | 9402256 |
23 | 24500619 |
24 | 64134061 |
25 | 168178732 |
26 | 442710004 |
27 | 1166705391 |
28 | 3085691999 |
29 | 8168951368 |
30 | 21689446136 |
[1,1,1,2,3,6,13,29,64,148,355,857,2100,5198,12960, 32701,82826,211352,541832,1397654,3614607,9402256, 24500619,64134061,168178732,442710004,1166705391, 3085691999,8168951368,21689446136] |