A256736 - cp's OEIS frontend

A256736 Number of composites lying between successive pairs of primes, beginning with pair (3,5). Bisection of A046933.

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

[1, 3, 3, 3, 1, 3, 3, 5, 5, 1, 3, 7, 1, 1, 13, 5, 9, 5, 3, 5, 9, 3, 11, 3, 3, 1, 5, 5, 5, 1, 13, 1, 13, 9, 3, 7, 5, 5, 3, 9, 9, 5, 5, 3, 3, 7, 7, 5, 1, 5, 5, 1, 9, 5, 5, 3, 11, 1, 5, 1, 3, 7, 7, 7, 5, 7, 3, 3, 9, 1, 1, 1, 13, 1, 13, 1, 19, 7, 7, 5, 13, 5, 7, 11]

cp's OEIS Frontend

A256736 Number of composites lying between successive pairs of primes, beginning with pair (3,5). Bisection of A046933.

Table of values

List of values

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

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

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