A124540 - OEIS

A124540 as a simple table

n	a(n)
0	1
1	1
2	0
3	1
4	1
5	0
6	1
7	2
8	2
9	0
10	1
11	3
12	7
13	5
14	0
15	1
16	4
17	15
18	26
19	16
20	0
21	1
22	5
23	26
24	73
25	107
26	62
27	0
28	1
29	6
30	40
31	156
32	369
33	486
34	274
35	0
36	1
37	7
38	57
39	285
40	939
41	1959
42	2398
43	1332
44	0
45	1
46	8
47	77
48	470
49	1995
50	5764
51	10912
52	12668
53	6978
54	0
55	1
56	9
57	100
58	721
59	3756
60	13976
61	36248
62	63543
63	70863
64	38873
65	0

[1,1,0,1,1,0,1,2,2,0,1,3,7,5,0,1,4,15,26,16,0,1,5, 26,73,107,62,0,1,6,40,156,369,486,274,0,1,7,57, 285,939,1959,2398,1332,0,1,8,77,470,1995,5764, 10912,12668,6978,0,1,9,100,721,3756,13976,36248, 63543,70863,38873,0]