A093354 - cp's OEIS frontend

A093354 Number of prime triples (p,q,r) with p < q < r <= n and q - p = r - q.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	2
15	2
16	2
17	3
18	3
19	5
20	5
21	5
22	5
23	7
24	7
25	7
26	7
27	7
28	7
29	9
30	9
31	11
32	11
33	11
34	11
35	11
36	11
37	11
38	11
39	11
40	11
41	13
42	13
43	16
44	16
45	16
46	16
47	17
48	17
49	17
50	17
51	17
52	17
53	20
54	20
55	20
56	20
57	20
58	20
59	23
60	23
61	24
62	24
63	24
64	24
65	24
66	24
67	26
68	26
69	26
70	26
71	30
72	30
73	32
74	32
75	32
76	32
77	32
78	32
79	36

[0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 5, 5, 5, 5, 7, 7, 7, 7, 7, 7, 9, 9, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 13, 13, 16, 16, 16, 16, 17, 17, 17, 17, 17, 17, 20, 20, 20, 20, 20, 20, 23, 23, 24, 24, 24, 24, 24, 24, 26, 26, 26, 26, 30, 30, 32, 32, 32, 32, 32, 32, 36]

cp's OEIS Frontend

A093354 Number of prime triples (p,q,r) with p < q < r <= n and q - p = r - q.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	2
15	2
16	2
17	3
18	3
19	5
20	5
21	5
22	5
23	7
24	7
25	7
26	7
27	7
28	7
29	9
30	9
31	11
32	11
33	11
34	11
35	11
36	11
37	11
38	11
39	11
40	11
41	13
42	13
43	16
44	16
45	16
46	16
47	17
48	17
49	17
50	17
51	17
52	17
53	20
54	20
55	20
56	20
57	20
58	20
59	23
60	23
61	24
62	24
63	24
64	24
65	24
66	24
67	26
68	26
69	26
70	26
71	30
72	30
73	32
74	32
75	32
76	32
77	32
78	32
79	36

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	2
15	2
16	2
17	3
18	3
19	5
20	5
21	5
22	5
23	7
24	7
25	7
26	7
27	7
28	7
29	9
30	9
31	11
32	11
33	11
34	11
35	11
36	11
37	11
38	11
39	11
40	11
41	13
42	13
43	16
44	16
45	16
46	16
47	17
48	17
49	17
50	17
51	17
52	17
53	20
54	20
55	20
56	20
57	20
58	20
59	23
60	23
61	24
62	24
63	24
64	24
65	24
66	24
67	26
68	26
69	26
70	26
71	30
72	30
73	32
74	32
75	32
76	32
77	32
78	32
79	36

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	1
8	1
9	1
10	1
11	2
12	2
13	2
14	2
15	2
16	2
17	3
18	3
19	5
20	5
21	5
22	5
23	7
24	7
25	7
26	7
27	7
28	7
29	9
30	9
31	11
32	11
33	11
34	11
35	11
36	11
37	11
38	11
39	11
40	11
41	13
42	13
43	16
44	16
45	16
46	16
47	17
48	17
49	17
50	17
51	17
52	17
53	20
54	20
55	20
56	20
57	20
58	20
59	23
60	23
61	24
62	24
63	24
64	24
65	24
66	24
67	26
68	26
69	26
70	26
71	30
72	30
73	32
74	32
75	32
76	32
77	32
78	32
79	36