A072697 - cp's OEIS frontend

A072697 Squarefree numbers such that the sum of the prime factors is a multiple of the number of prime factors.

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	15
8	17
9	19
10	21
11	23
12	29
13	31
14	33
15	35
16	37
17	39
18	41
19	42
20	43
21	47
22	51
23	53
24	55
25	57
26	59
27	61
28	65
29	67
30	69
31	71
32	73
33	77
34	78
35	79
36	83
37	85
38	87
39	89
40	91
41	93
42	95
43	97
44	101
45	103
46	105
47	107
48	109
49	110
50	111
51	113
52	114
53	115
54	119
55	123
56	127
57	129
58	131
59	133
60	137
61	139
62	141
63	143

[2, 3, 5, 7, 11, 13, 15, 17, 19, 21, 23, 29, 31, 33, 35, 37, 39, 41, 42, 43, 47, 51, 53, 55, 57, 59, 61, 65, 67, 69, 71, 73, 77, 78, 79, 83, 85, 87, 89, 91, 93, 95, 97, 101, 103, 105, 107, 109, 110, 111, 113, 114, 115, 119, 123, 127, 129, 131, 133, 137, 139, 141, 143]

cp's OEIS Frontend

A072697 Squarefree numbers such that the sum of the prime factors is a multiple of the number of prime factors.

Table of values

List of values

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	15
8	17
9	19
10	21
11	23
12	29
13	31
14	33
15	35
16	37
17	39
18	41
19	42
20	43
21	47
22	51
23	53
24	55
25	57
26	59
27	61
28	65
29	67
30	69
31	71
32	73
33	77
34	78
35	79
36	83
37	85
38	87
39	89
40	91
41	93
42	95
43	97
44	101
45	103
46	105
47	107
48	109
49	110
50	111
51	113
52	114
53	115
54	119
55	123
56	127
57	129
58	131
59	133
60	137
61	139
62	141
63	143

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	15
8	17
9	19
10	21
11	23
12	29
13	31
14	33
15	35
16	37
17	39
18	41
19	42
20	43
21	47
22	51
23	53
24	55
25	57
26	59
27	61
28	65
29	67
30	69
31	71
32	73
33	77
34	78
35	79
36	83
37	85
38	87
39	89
40	91
41	93
42	95
43	97
44	101
45	103
46	105
47	107
48	109
49	110
50	111
51	113
52	114
53	115
54	119
55	123
56	127
57	129
58	131
59	133
60	137
61	139
62	141
63	143

n	a(n)
1	2
2	3
3	5
4	7
5	11
6	13
7	15
8	17
9	19
10	21
11	23
12	29
13	31
14	33
15	35
16	37
17	39
18	41
19	42
20	43
21	47
22	51
23	53
24	55
25	57
26	59
27	61
28	65
29	67
30	69
31	71
32	73
33	77
34	78
35	79
36	83
37	85
38	87
39	89
40	91
41	93
42	95
43	97
44	101
45	103
46	105
47	107
48	109
49	110
50	111
51	113
52	114
53	115
54	119
55	123
56	127
57	129
58	131
59	133
60	137
61	139
62	141
63	143