A320017 - cp's OEIS frontend

A320017 a(1) = 1; for n > 1, a(n) = Product_{d|n} A019565(d)^[moebius(d) = +1].

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	30
7	2
8	2
9	2
10	42
11	2
12	30
13	2
14	210
15	420
16	2
17	2
18	30
19	2
20	42
21	220
22	330
23	2
24	30
25	2
26	462
27	2
28	210
29	2
30	132300
31	2
32	2
33	52
34	78
35	156
36	30
37	2
38	390
39	780
40	42
41	2
42	346500
43	2
44	330
45	420
46	2730
47	2
48	30
49	2
50	42
51	1716
52	462
53	2
54	30
55	8580
56	210
57	4004
58	6006
59	2
60	132300
61	2
62	30030
63	220
64	2
65	68
66	128700
67	2
68	78
69	340
70	343980
71	2
72	30
73	2
74	714
75	420
76	390
77	2380
78	2702700
79	2
80	42
81	2

[1, 2, 2, 2, 2, 30, 2, 2, 2, 42, 2, 30, 2, 210, 420, 2, 2, 30, 2, 42, 220, 330, 2, 30, 2, 462, 2, 210, 2, 132300, 2, 2, 52, 78, 156, 30, 2, 390, 780, 42, 2, 346500, 2, 330, 420, 2730, 2, 30, 2, 42, 1716, 462, 2, 30, 8580, 210, 4004, 6006, 2, 132300, 2, 30030, 220, 2, 68, 128700, 2, 78, 340, 343980, 2, 30, 2, 714, 420, 390, 2380, 2702700, 2, 42, 2]

cp's OEIS Frontend

A320017 a(1) = 1; for n > 1, a(n) = Product_{d|n} A019565(d)^[moebius(d) = +1].

Table of values

List of values