A055923 - OEIS

A055923 as a simple table

n	a(n)
0	1
1	0
2	1
3	1
4	1
5	1
6	3
7	2
8	3
9	4
10	4
11	6
12	8
13	8
14	10
15	13
16	13
17	20
18	20
19	24
20	26
21	38
22	35
23	51
24	51
25	65
26	67
27	92
28	86
29	121
30	117
31	153
32	155
33	209
34	197
35	270
36	262
37	339
38	341
39	444
40	425
41	565
42	555
43	703
44	711
45	903
46	884
47	1135
48	1128
49	1397
50	1430
51	1766
52	1757
53	2193
54	2214
55	2691
56	2762
57	3344

[1,0,1,1,1,1,3,2,3,4,4,6,8,8,10,13,13,20,20,24,26, 38,35,51,51,65,67,92,86,121,117,153,155,209,197, 270,262,339,341,444,425,565,555,703,711,903,884, 1135,1128,1397,1430,1766,1757,2193,2214,2691,2762, 3344]