A144147 - cp's OEIS frontend

A144147 A positive integer n is included if every exponent in the prime-factorization of n is coprime to n and if the sum of these prime-factorization exponents divides n.

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	10
7	11
8	13
9	14
10	17
11	19
12	22
13	23
14	26
15	29
16	30
17	31
18	34
19	37
20	38
21	40
22	41
23	42
24	43
25	45
26	46
27	47
28	53
29	56
30	58
31	59
32	61
33	62
34	63
35	66
36	67
37	71
38	73
39	74
40	75
41	78
42	79
43	82
44	83
45	86
46	88
47	89
48	94
49	96
50	97
51	99
52	101
53	102
54	103
55	104
56	105
57	106
58	107
59	109
60	113
61	114
62	117
63	118
64	122
65	127
66	131

[2, 3, 5, 6, 7, 10, 11, 13, 14, 17, 19, 22, 23, 26, 29, 30, 31, 34, 37, 38, 40, 41, 42, 43, 45, 46, 47, 53, 56, 58, 59, 61, 62, 63, 66, 67, 71, 73, 74, 75, 78, 79, 82, 83, 86, 88, 89, 94, 96, 97, 99, 101, 102, 103, 104, 105, 106, 107, 109, 113, 114, 117, 118, 122, 127, 131]

cp's OEIS Frontend

A144147 A positive integer n is included if every exponent in the prime-factorization of n is coprime to n and if the sum of these prime-factorization exponents divides n.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	10
7	11
8	13
9	14
10	17
11	19
12	22
13	23
14	26
15	29
16	30
17	31
18	34
19	37
20	38
21	40
22	41
23	42
24	43
25	45
26	46
27	47
28	53
29	56
30	58
31	59
32	61
33	62
34	63
35	66
36	67
37	71
38	73
39	74
40	75
41	78
42	79
43	82
44	83
45	86
46	88
47	89
48	94
49	96
50	97
51	99
52	101
53	102
54	103
55	104
56	105
57	106
58	107
59	109
60	113
61	114
62	117
63	118
64	122
65	127
66	131

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	10
7	11
8	13
9	14
10	17
11	19
12	22
13	23
14	26
15	29
16	30
17	31
18	34
19	37
20	38
21	40
22	41
23	42
24	43
25	45
26	46
27	47
28	53
29	56
30	58
31	59
32	61
33	62
34	63
35	66
36	67
37	71
38	73
39	74
40	75
41	78
42	79
43	82
44	83
45	86
46	88
47	89
48	94
49	96
50	97
51	99
52	101
53	102
54	103
55	104
56	105
57	106
58	107
59	109
60	113
61	114
62	117
63	118
64	122
65	127
66	131

n	a(n)
1	2
2	3
3	5
4	6
5	7
6	10
7	11
8	13
9	14
10	17
11	19
12	22
13	23
14	26
15	29
16	30
17	31
18	34
19	37
20	38
21	40
22	41
23	42
24	43
25	45
26	46
27	47
28	53
29	56
30	58
31	59
32	61
33	62
34	63
35	66
36	67
37	71
38	73
39	74
40	75
41	78
42	79
43	82
44	83
45	86
46	88
47	89
48	94
49	96
50	97
51	99
52	101
53	102
54	103
55	104
56	105
57	106
58	107
59	109
60	113
61	114
62	117
63	118
64	122
65	127
66	131