A005308 - OEIS

A005308 as a simple table

n	a(n)
1	1
2	0
3	0
4	0
5	1
6	1
7	2
8	2
9	4
10	4
11	7
12	8
13	14
14	16
15	25
16	31
17	47
18	58
19	85
20	107
21	153
22	195
23	271
24	348
25	480
26	616
27	834
28	1077
29	1445
30	1863
31	2478
32	3194
33	4216
34	5431
35	7118
36	9157
37	11942
38	15329
39	19884
40	25485
41	32916
42	42090
43	54147
44	69093
45	88563
46	112769
47	144056
48	183028
49	233112
50	295525

[1,0,0,0,1,1,2,2,4,4,7,8,14,16,25,31,47,58,85,107, 153,195,271,348,480,616,834,1077,1445,1863,2478, 3194,4216,5431,7118,9157,11942,15329,19884,25485, 32916,42090,54147,69093,88563,112769,144056, 183028,233112,295525]