A263203 - cp's OEIS frontend

A263203 Consider the numbers m such that m = prime(k) + prime(k+2i+1) = prime(k+i) + prime(k+i+1) for some i and k. The sequence lists the number of pairs (i,k) giving the same value m = A105093(n).

n	a(n)
1	1
2	2
3	2
4	1
5	4
6	3
7	4
8	2
9	2
10	2
11	1
12	1
13	2
14	6
15	5
16	4
17	1
18	2
19	1
20	4
21	4
22	5
23	7
24	3
25	6
26	7
27	1
28	2
29	1
30	7
31	10
32	7
33	7
34	2
35	6
36	1
37	5
38	10
39	12
40	5
41	10
42	3
43	5
44	11
45	9
46	9
47	8
48	2
49	6
50	2
51	2
52	3
53	10
54	1
55	5
56	11
57	10
58	7
59	7
60	5
61	3
62	5
63	5
64	1
65	4
66	2
67	4
68	2
69	5
70	7
71	4
72	5
73	8
74	7
75	6
76	5
77	3
78	7
79	13
80	1
81	1
82	9
83	5
84	1

[1, 2, 2, 1, 4, 3, 4, 2, 2, 2, 1, 1, 2, 6, 5, 4, 1, 2, 1, 4, 4, 5, 7, 3, 6, 7, 1, 2, 1, 7, 10, 7, 7, 2, 6, 1, 5, 10, 12, 5, 10, 3, 5, 11, 9, 9, 8, 2, 6, 2, 2, 3, 10, 1, 5, 11, 10, 7, 7, 5, 3, 5, 5, 1, 4, 2, 4, 2, 5, 7, 4, 5, 8, 7, 6, 5, 3, 7, 13, 1, 1, 9, 5, 1]

cp's OEIS Frontend

A263203 Consider the numbers m such that m = prime(k) + prime(k+2i+1) = prime(k+i) + prime(k+i+1) for some i and k. The sequence lists the number of pairs (i,k) giving the same value m = A105093(n).

Table of values

List of values

n	a(n)
1	1
2	2
3	2
4	1
5	4
6	3
7	4
8	2
9	2
10	2
11	1
12	1
13	2
14	6
15	5
16	4
17	1
18	2
19	1
20	4
21	4
22	5
23	7
24	3
25	6
26	7
27	1
28	2
29	1
30	7
31	10
32	7
33	7
34	2
35	6
36	1
37	5
38	10
39	12
40	5
41	10
42	3
43	5
44	11
45	9
46	9
47	8
48	2
49	6
50	2
51	2
52	3
53	10
54	1
55	5
56	11
57	10
58	7
59	7
60	5
61	3
62	5
63	5
64	1
65	4
66	2
67	4
68	2
69	5
70	7
71	4
72	5
73	8
74	7
75	6
76	5
77	3
78	7
79	13
80	1
81	1
82	9
83	5
84	1

n	a(n)
1	1
2	2
3	2
4	1
5	4
6	3
7	4
8	2
9	2
10	2
11	1
12	1
13	2
14	6
15	5
16	4
17	1
18	2
19	1
20	4
21	4
22	5
23	7
24	3
25	6
26	7
27	1
28	2
29	1
30	7
31	10
32	7
33	7
34	2
35	6
36	1
37	5
38	10
39	12
40	5
41	10
42	3
43	5
44	11
45	9
46	9
47	8
48	2
49	6
50	2
51	2
52	3
53	10
54	1
55	5
56	11
57	10
58	7
59	7
60	5
61	3
62	5
63	5
64	1
65	4
66	2
67	4
68	2
69	5
70	7
71	4
72	5
73	8
74	7
75	6
76	5
77	3
78	7
79	13
80	1
81	1
82	9
83	5
84	1

n	a(n)
1	1
2	2
3	2
4	1
5	4
6	3
7	4
8	2
9	2
10	2
11	1
12	1
13	2
14	6
15	5
16	4
17	1
18	2
19	1
20	4
21	4
22	5
23	7
24	3
25	6
26	7
27	1
28	2
29	1
30	7
31	10
32	7
33	7
34	2
35	6
36	1
37	5
38	10
39	12
40	5
41	10
42	3
43	5
44	11
45	9
46	9
47	8
48	2
49	6
50	2
51	2
52	3
53	10
54	1
55	5
56	11
57	10
58	7
59	7
60	5
61	3
62	5
63	5
64	1
65	4
66	2
67	4
68	2
69	5
70	7
71	4
72	5
73	8
74	7
75	6
76	5
77	3
78	7
79	13
80	1
81	1
82	9
83	5
84	1