A173090 - OEIS

A173090 as a simple table

n	a(n)
1	1
2	2
3	2
4	3
5	4
6	5
7	7
8	9
9	12
10	17
11	24
12	33
13	46
14	65
15	91
16	128
17	181
18	255
19	360
20	509
21	719
22	1017
23	1438
24	2033
25	2875
26	4065
27	5748
28	8129
29	11496
30	16257
31	22991
32	32514
33	45981
34	65027
35	91962
36	130053
37	183922
38	260105
39	367844
40	520209
41	735686
42	1040417
43	1471371
44	2080833

[1,2,2,3,4,5,7,9,12,17,24,33,46,65,91,128,181,255, 360,509,719,1017,1438,2033,2875,4065,5748,8129, 11496,16257,22991,32514,45981,65027,91962,130053, 183922,260105,367844,520209,735686,1040417, 1471371,2080833]