A065642 - cp's OEIS frontend

A065642 a(1) = 1; for n > 1, a(n) = Min {m > n | m has same prime factors as n ignoring multiplicity}.

n	a(n)
1	1
2	4
3	9
4	8
5	25
6	12
7	49
8	16
9	27
10	20
11	121
12	18
13	169
14	28
15	45
16	32
17	289
18	24
19	361
20	40
21	63
22	44
23	529
24	36
25	125
26	52
27	81
28	56
29	841
30	60
31	961
32	64
33	99
34	68
35	175
36	48
37	1369
38	76
39	117
40	50
41	1681
42	84
43	1849
44	88
45	75
46	92
47	2209
48	54
49	343
50	80
51	153
52	104
53	2809
54	72
55	275
56	98
57	171
58	116
59	3481
60	90
61	3721

[1, 4, 9, 8, 25, 12, 49, 16, 27, 20, 121, 18, 169, 28, 45, 32, 289, 24, 361, 40, 63, 44, 529, 36, 125, 52, 81, 56, 841, 60, 961, 64, 99, 68, 175, 48, 1369, 76, 117, 50, 1681, 84, 1849, 88, 75, 92, 2209, 54, 343, 80, 153, 104, 2809, 72, 275, 98, 171, 116, 3481, 90, 3721]

cp's OEIS Frontend

A065642 a(1) = 1; for n > 1, a(n) = Min {m > n | m has same prime factors as n ignoring multiplicity}.

Table of values

List of values