A319991 - cp's OEIS frontend

A319991 a(n) = Product_{d|n, d A019565(d)^[1 == d mod 3].

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	2
8	10
9	2
10	2
11	2
12	10
13	2
14	60
15	2
16	10
17	2
18	2
19	2
20	210
21	60
22	2
23	2
24	10
25	2
26	140
27	2
28	300
29	2
30	42
31	2
32	110
33	2
34	2
35	60
36	10
37	2
38	132
39	140
40	210
41	2
42	60
43	2
44	1650
45	2
46	2
47	2
48	110
49	60
50	6468
51	2
52	700
53	2
54	2
55	2
56	115500
57	132
58	2
59	2
60	210
61	2
62	4620
63	60
64	110
65	140
66	330
67	2
68	390
69	2
70	1260
71	2
72	10
73	2
74	260
75	308
76	660
77	60
78	140
79	2
80	210210
81	2
82	2
83	2
84	115500
85	2
86	1092
87	2

[1, 2, 2, 2, 2, 2, 2, 10, 2, 2, 2, 10, 2, 60, 2, 10, 2, 2, 2, 210, 60, 2, 2, 10, 2, 140, 2, 300, 2, 42, 2, 110, 2, 2, 60, 10, 2, 132, 140, 210, 2, 60, 2, 1650, 2, 2, 2, 110, 60, 6468, 2, 700, 2, 2, 2, 115500, 132, 2, 2, 210, 2, 4620, 60, 110, 140, 330, 2, 390, 2, 1260, 2, 10, 2, 260, 308, 660, 60, 140, 2, 210210, 2, 2, 2, 115500, 2, 1092, 2]

cp's OEIS Frontend

A319991 a(n) = Product_{d|n, d A019565(d)^[1 == d mod 3].

Table of values

List of values