A251727 - cp's OEIS frontend

A251727 Numbers n > 1 for which gpf(n) > spf(n)^2, where spf and gpf (smallest and greatest prime factor of n) are given by A020639(n) and A006530(n).

n	a(n)
1	10
2	14
3	20
4	22
5	26
6	28
7	30
8	33
9	34
10	38
11	39
12	40
13	42
14	44
15	46
16	50
17	51
18	52
19	56
20	57
21	58
22	60
23	62
24	66
25	68
26	69
27	70
28	74
29	76
30	78
31	80
32	82
33	84
34	86
35	87
36	88
37	90
38	92
39	93
40	94
41	98
42	99
43	100
44	102
45	104
46	106
47	110
48	111
49	112
50	114
51	116
52	117
53	118
54	120
55	122
56	123
57	124
58	126
59	129
60	130
61	132
62	134
63	136
64	138
65	140
66	141
67	142
68	145
69	146
70	148
71	150
72	152

[10, 14, 20, 22, 26, 28, 30, 33, 34, 38, 39, 40, 42, 44, 46, 50, 51, 52, 56, 57, 58, 60, 62, 66, 68, 69, 70, 74, 76, 78, 80, 82, 84, 86, 87, 88, 90, 92, 93, 94, 98, 99, 100, 102, 104, 106, 110, 111, 112, 114, 116, 117, 118, 120, 122, 123, 124, 126, 129, 130, 132, 134, 136, 138, 140, 141, 142, 145, 146, 148, 150, 152]

cp's OEIS Frontend

A251727 Numbers n > 1 for which gpf(n) > spf(n)^2, where spf and gpf (smallest and greatest prime factor of n) are given by A020639(n) and A006530(n).

Table of values

List of values

n	a(n)
1	10
2	14
3	20
4	22
5	26
6	28
7	30
8	33
9	34
10	38
11	39
12	40
13	42
14	44
15	46
16	50
17	51
18	52
19	56
20	57
21	58
22	60
23	62
24	66
25	68
26	69
27	70
28	74
29	76
30	78
31	80
32	82
33	84
34	86
35	87
36	88
37	90
38	92
39	93
40	94
41	98
42	99
43	100
44	102
45	104
46	106
47	110
48	111
49	112
50	114
51	116
52	117
53	118
54	120
55	122
56	123
57	124
58	126
59	129
60	130
61	132
62	134
63	136
64	138
65	140
66	141
67	142
68	145
69	146
70	148
71	150
72	152

n	a(n)
1	10
2	14
3	20
4	22
5	26
6	28
7	30
8	33
9	34
10	38
11	39
12	40
13	42
14	44
15	46
16	50
17	51
18	52
19	56
20	57
21	58
22	60
23	62
24	66
25	68
26	69
27	70
28	74
29	76
30	78
31	80
32	82
33	84
34	86
35	87
36	88
37	90
38	92
39	93
40	94
41	98
42	99
43	100
44	102
45	104
46	106
47	110
48	111
49	112
50	114
51	116
52	117
53	118
54	120
55	122
56	123
57	124
58	126
59	129
60	130
61	132
62	134
63	136
64	138
65	140
66	141
67	142
68	145
69	146
70	148
71	150
72	152

n	a(n)
1	10
2	14
3	20
4	22
5	26
6	28
7	30
8	33
9	34
10	38
11	39
12	40
13	42
14	44
15	46
16	50
17	51
18	52
19	56
20	57
21	58
22	60
23	62
24	66
25	68
26	69
27	70
28	74
29	76
30	78
31	80
32	82
33	84
34	86
35	87
36	88
37	90
38	92
39	93
40	94
41	98
42	99
43	100
44	102
45	104
46	106
47	110
48	111
49	112
50	114
51	116
52	117
53	118
54	120
55	122
56	123
57	124
58	126
59	129
60	130
61	132
62	134
63	136
64	138
65	140
66	141
67	142
68	145
69	146
70	148
71	150
72	152