A017844 - OEIS

A017844 as a simple table

n	a(n)
0	1
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	1
9	1
10	2
11	3
12	4
13	5
14	5
15	7
16	10
17	14
18	19
19	23
20	29
21	38
22	51
23	69
24	90
25	116
26	150
27	196
28	260
29	343
30	449
31	585
32	762
33	999
34	1313
35	1724
36	2258
37	2951
38	3860
39	5057
40	6631
41	8693
42	11384
43	14901
44	19509
45	25555
46	33486

[1,0,0,0,0,1,1,1,1,1,2,3,4,5,5,7,10,14,19,23,29, 38,51,69,90,116,150,196,260,343,449,585,762,999, 1313,1724,2258,2951,3860,5057,6631,8693,11384, 14901,19509,25555,33486]