A068035 - OEIS

A068035 as a simple table

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	5
7	10
8	19
9	37
10	73
11	147
12	293
13	586
14	1172
15	2342
16	4682
17	9362
18	18726
19	37450
20	74900
21	149800
22	299596
23	599188
24	1198372
25	2396748
26	4793492
27	9586984
28	19173968
29	38347928
30	76695848
31	153391688
32	306783384
33	613566760
34	1227133520
35	2454267040

[1,1,1,1,1,2,5,10,19,37,73,147,293,586,1172,2342, 4682,9362,18726,37450,74900,149800,299596,599188, 1198372,2396748,4793492,9586984,19173968,38347928, 76695848,153391688,306783384,613566760,1227133520, 2454267040]