A339677 - OEIS

A339677 as a simple table

n	a(n)
1	1
2	0
3	1
4	0
5	1
6	2
7	0
8	1
9	1
10	3
11	6
12	0
13	1
14	2
15	4
16	6
17	12
18	24
19	0
20	1
21	2
22	3
23	5
24	10
25	14
26	20
27	30
28	60
29	120
30	0
31	1
32	3
33	5
34	6
35	15
36	20
37	30
38	30
39	60
40	90
41	120
42	180
43	360
44	720
45	0
46	1
47	3
48	7
49	8
50	7
51	21
52	35
53	51
54	70
55	42
56	105
57	140
58	210
59	312
60	210
61	420
62	630
63	840
64	1260
65	2520
66	5040
67	0
68	1
69	4
70	9
71	14
72	8
73	28
74	56
75	70
76	84
77	140

[1,0,1,0,1,2,0,1,1,3,6,0,1,2,4,6,12,24,0,1,2,3,5, 10,14,20,30,60,120,0,1,3,5,6,15,20,30,30,60,90, 120,180,360,720,0,1,3,7,8,7,21,35,51,70,42,105, 140,210,312,210,420,630,840,1260,2520,5040,0,1,4, 9,14,8,28,56,70,84,140]