n | a(n) |
---|---|
2 | 1 |
3 | 0 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 3 |
8 | 6 |
9 | 6 |
10 | 16 |
11 | 21 |
12 | 42 |
13 | 63 |
14 | 129 |
15 | 201 |
16 | 404 |
17 | 685 |
18 | 1340 |
19 | 2385 |
20 | 4625 |
21 | 8487 |
22 | 16409 |
23 | 30735 |
24 | 59282 |
25 | 112530 |
26 | 217182 |
27 | 415605 |
28 | 803076 |
29 | 1545463 |
30 | 2990945 |
31 | 5778267 |
32 | 11201472 |
33 | 21702645 |
34 | 42140890 |
35 | 81830744 |
36 | 159139428 |
37 | 309590883 |
38 | 602935713 |
39 | 1174779207 |
40 | 2290915478 |
41 | 4469734225 |
42 | 8726815041 |
43 | 17047041429 |
44 | 33319598126 |
[1,0,1,1,2,3,6,6,16,21,42,63,129,201,404,685,1340, 2385,4625,8487,16409,30735,59282,112530,217182, 415605,803076,1545463,2990945,5778267,11201472, 21702645,42140890,81830744,159139428,309590883, 602935713,1174779207,2290915478,4469734225, 8726815041,17047041429,33319598126] |