A256389 - cp's OEIS frontend

A256389 Numbers n such that one or more primes can be the arithmetic mean of 2 semiprimes whose difference is 2*n.

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	15
12	16
13	18
14	20
15	22
16	24
17	26
18	27
19	28
20	30
21	32
22	34
23	36
24	38
25	39
26	40
27	42
28	44
29	46
30	48
31	50
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	64
40	66
41	68
42	69
43	70
44	72
45	74
46	76
47	78
48	80
49	82
50	84
51	86
52	88
53	90
54	92
55	94
56	96
57	98
58	99
59	100
60	102
61	104
62	105
63	106
64	108
65	110

[1, 2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 39, 40, 42, 44, 46, 48, 50, 52, 54, 56, 57, 58, 60, 62, 64, 66, 68, 69, 70, 72, 74, 76, 78, 80, 82, 84, 86, 88, 90, 92, 94, 96, 98, 99, 100, 102, 104, 105, 106, 108, 110]

cp's OEIS Frontend

A256389 Numbers n such that one or more primes can be the arithmetic mean of 2 semiprimes whose difference is 2*n.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	15
12	16
13	18
14	20
15	22
16	24
17	26
18	27
19	28
20	30
21	32
22	34
23	36
24	38
25	39
26	40
27	42
28	44
29	46
30	48
31	50
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	64
40	66
41	68
42	69
43	70
44	72
45	74
46	76
47	78
48	80
49	82
50	84
51	86
52	88
53	90
54	92
55	94
56	96
57	98
58	99
59	100
60	102
61	104
62	105
63	106
64	108
65	110

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	15
12	16
13	18
14	20
15	22
16	24
17	26
18	27
19	28
20	30
21	32
22	34
23	36
24	38
25	39
26	40
27	42
28	44
29	46
30	48
31	50
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	64
40	66
41	68
42	69
43	70
44	72
45	74
46	76
47	78
48	80
49	82
50	84
51	86
52	88
53	90
54	92
55	94
56	96
57	98
58	99
59	100
60	102
61	104
62	105
63	106
64	108
65	110

n	a(n)
1	1
2	2
3	3
4	4
5	6
6	8
7	9
8	10
9	12
10	14
11	15
12	16
13	18
14	20
15	22
16	24
17	26
18	27
19	28
20	30
21	32
22	34
23	36
24	38
25	39
26	40
27	42
28	44
29	46
30	48
31	50
32	52
33	54
34	56
35	57
36	58
37	60
38	62
39	64
40	66
41	68
42	69
43	70
44	72
45	74
46	76
47	78
48	80
49	82
50	84
51	86
52	88
53	90
54	92
55	94
56	96
57	98
58	99
59	100
60	102
61	104
62	105
63	106
64	108
65	110