A174894 - cp's OEIS frontend

A174894 Numbers such that the arithmetic mean of their distinct prime factors and the arithmetic mean of all of their prime factors are both integers.

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	15
11	16
12	17
13	19
14	21
15	23
16	25
17	27
18	29
19	31
20	32
21	33
22	35
23	37
24	39
25	41
26	42
27	43
28	47
29	49
30	51
31	53
32	55
33	57
34	59
35	61
36	64
37	65
38	67
39	69
40	71
41	73
42	77
43	78
44	79
45	81
46	83
47	85
48	87
49	89
50	91
51	93
52	95
53	97
54	101

[2, 3, 4, 5, 7, 8, 9, 11, 13, 15, 16, 17, 19, 21, 23, 25, 27, 29, 31, 32, 33, 35, 37, 39, 41, 42, 43, 47, 49, 51, 53, 55, 57, 59, 61, 64, 65, 67, 69, 71, 73, 77, 78, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 101]

cp's OEIS Frontend

A174894 Numbers such that the arithmetic mean of their distinct prime factors and the arithmetic mean of all of their prime factors are both integers.

Table of values

List of values

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	15
11	16
12	17
13	19
14	21
15	23
16	25
17	27
18	29
19	31
20	32
21	33
22	35
23	37
24	39
25	41
26	42
27	43
28	47
29	49
30	51
31	53
32	55
33	57
34	59
35	61
36	64
37	65
38	67
39	69
40	71
41	73
42	77
43	78
44	79
45	81
46	83
47	85
48	87
49	89
50	91
51	93
52	95
53	97
54	101

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	15
11	16
12	17
13	19
14	21
15	23
16	25
17	27
18	29
19	31
20	32
21	33
22	35
23	37
24	39
25	41
26	42
27	43
28	47
29	49
30	51
31	53
32	55
33	57
34	59
35	61
36	64
37	65
38	67
39	69
40	71
41	73
42	77
43	78
44	79
45	81
46	83
47	85
48	87
49	89
50	91
51	93
52	95
53	97
54	101

n	a(n)
1	2
2	3
3	4
4	5
5	7
6	8
7	9
8	11
9	13
10	15
11	16
12	17
13	19
14	21
15	23
16	25
17	27
18	29
19	31
20	32
21	33
22	35
23	37
24	39
25	41
26	42
27	43
28	47
29	49
30	51
31	53
32	55
33	57
34	59
35	61
36	64
37	65
38	67
39	69
40	71
41	73
42	77
43	78
44	79
45	81
46	83
47	85
48	87
49	89
50	91
51	93
52	95
53	97
54	101