A066048 - cp's OEIS frontend

A066048 Product of smallest and greatest prime factors of n.

n	a(n)
1	1
2	4
3	9
4	4
5	25
6	6
7	49
8	4
9	9
10	10
11	121
12	6
13	169
14	14
15	15
16	4
17	289
18	6
19	361
20	10
21	21
22	22
23	529
24	6
25	25
26	26
27	9
28	14
29	841
30	10
31	961
32	4
33	33
34	34
35	35
36	6
37	1369
38	38
39	39
40	10
41	1681
42	14
43	1849
44	22
45	15
46	46
47	2209
48	6
49	49
50	10
51	51
52	26
53	2809
54	6
55	55
56	14
57	57
58	58
59	3481
60	10
61	3721
62	62
63	21
64	4
65	65
66	22
67	4489
68	34

[1, 4, 9, 4, 25, 6, 49, 4, 9, 10, 121, 6, 169, 14, 15, 4, 289, 6, 361, 10, 21, 22, 529, 6, 25, 26, 9, 14, 841, 10, 961, 4, 33, 34, 35, 6, 1369, 38, 39, 10, 1681, 14, 1849, 22, 15, 46, 2209, 6, 49, 10, 51, 26, 2809, 6, 55, 14, 57, 58, 3481, 10, 3721, 62, 21, 4, 65, 22, 4489, 34]

cp's OEIS Frontend

A066048 Product of smallest and greatest prime factors of n.

Table of values

List of values