A293221 - cp's OEIS frontend

A293221 a(n) = Product_{d|n, d A019565(A289813(d)); a product obtained from the 1-digits present in ternary expansions of proper divisors of n.

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	6
7	2
8	12
9	6
10	6
11	2
12	36
13	2
14	4
15	18
16	12
17	2
18	30
19	2
20	360
21	12
22	10
23	2
24	540
25	6
26	60
27	30
28	360
29	2
30	900
31	2
32	120
33	30
34	10
35	12
36	2700
37	2
38	4
39	180
40	360
41	2
42	540
43	2
44	360
45	450
46	6
47	2
48	5400
49	4
50	120
51	30
52	360
53	2
54	210
55	30
56	5040
57	12
58	14
59	2
60	1701000
61	2
62	84
63	180
64	2520
65	180
66	1260
67	2
68	840
69	18
70	12600
71	2
72	94500
73	2
74	140
75	180
76	840
77	20
78	18900
79	2
80	756000
81	210
82	210
83	2
84	23814000
85	30

[1, 2, 2, 2, 2, 6, 2, 12, 6, 6, 2, 36, 2, 4, 18, 12, 2, 30, 2, 360, 12, 10, 2, 540, 6, 60, 30, 360, 2, 900, 2, 120, 30, 10, 12, 2700, 2, 4, 180, 360, 2, 540, 2, 360, 450, 6, 2, 5400, 4, 120, 30, 360, 2, 210, 30, 5040, 12, 14, 2, 1701000, 2, 84, 180, 2520, 180, 1260, 2, 840, 18, 12600, 2, 94500, 2, 140, 180, 840, 20, 18900, 2, 756000, 210, 210, 2, 23814000, 30]

cp's OEIS Frontend

A293221 a(n) = Product_{d|n, d A019565(A289813(d)); a product obtained from the 1-digits present in ternary expansions of proper divisors of n.

Table of values

List of values