A173672 - cp's OEIS frontend

A173672 Positive differences between any two primes without the differences that are semiprimes.

n	a(n)
1	1
2	2
3	3
4	5
5	8
6	11
7	12
8	16
9	17
10	18
11	20
12	24
13	27
14	28
15	29
16	30
17	32
18	36
19	40
20	41
21	42
22	44
23	45
24	48
25	50
26	52
27	54
28	56
29	59
30	60
31	64
32	66
33	68
34	70
35	71
36	72
37	76
38	78
39	80
40	81
41	84
42	88
43	90
44	92
45	96
46	98
47	99
48	100
49	101
50	102
51	104
52	105
53	107
54	108
55	110
56	112
57	114
58	116
59	120
60	124
61	125
62	126
63	128
64	130
65	132
66	135
67	136
68	137
69	138
70	140
71	144
72	147
73	148

[1, 2, 3, 5, 8, 11, 12, 16, 17, 18, 20, 24, 27, 28, 29, 30, 32, 36, 40, 41, 42, 44, 45, 48, 50, 52, 54, 56, 59, 60, 64, 66, 68, 70, 71, 72, 76, 78, 80, 81, 84, 88, 90, 92, 96, 98, 99, 100, 101, 102, 104, 105, 107, 108, 110, 112, 114, 116, 120, 124, 125, 126, 128, 130, 132, 135, 136, 137, 138, 140, 144, 147, 148]

cp's OEIS Frontend

A173672 Positive differences between any two primes without the differences that are semiprimes.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	8
6	11
7	12
8	16
9	17
10	18
11	20
12	24
13	27
14	28
15	29
16	30
17	32
18	36
19	40
20	41
21	42
22	44
23	45
24	48
25	50
26	52
27	54
28	56
29	59
30	60
31	64
32	66
33	68
34	70
35	71
36	72
37	76
38	78
39	80
40	81
41	84
42	88
43	90
44	92
45	96
46	98
47	99
48	100
49	101
50	102
51	104
52	105
53	107
54	108
55	110
56	112
57	114
58	116
59	120
60	124
61	125
62	126
63	128
64	130
65	132
66	135
67	136
68	137
69	138
70	140
71	144
72	147
73	148

n	a(n)
1	1
2	2
3	3
4	5
5	8
6	11
7	12
8	16
9	17
10	18
11	20
12	24
13	27
14	28
15	29
16	30
17	32
18	36
19	40
20	41
21	42
22	44
23	45
24	48
25	50
26	52
27	54
28	56
29	59
30	60
31	64
32	66
33	68
34	70
35	71
36	72
37	76
38	78
39	80
40	81
41	84
42	88
43	90
44	92
45	96
46	98
47	99
48	100
49	101
50	102
51	104
52	105
53	107
54	108
55	110
56	112
57	114
58	116
59	120
60	124
61	125
62	126
63	128
64	130
65	132
66	135
67	136
68	137
69	138
70	140
71	144
72	147
73	148

n	a(n)
1	1
2	2
3	3
4	5
5	8
6	11
7	12
8	16
9	17
10	18
11	20
12	24
13	27
14	28
15	29
16	30
17	32
18	36
19	40
20	41
21	42
22	44
23	45
24	48
25	50
26	52
27	54
28	56
29	59
30	60
31	64
32	66
33	68
34	70
35	71
36	72
37	76
38	78
39	80
40	81
41	84
42	88
43	90
44	92
45	96
46	98
47	99
48	100
49	101
50	102
51	104
52	105
53	107
54	108
55	110
56	112
57	114
58	116
59	120
60	124
61	125
62	126
63	128
64	130
65	132
66	135
67	136
68	137
69	138
70	140
71	144
72	147
73	148