A060568 - cp's OEIS frontend

A060568 Number of primes between n and R(n) where R(n) (A004086) is the digit reversal of n.

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	4
11	0
12	3
13	4
14	6
15	9
16	11
17	12
18	15
19	16
20	7
21	3
22	0
23	2
24	4
25	6
26	9
27	11
28	13
29	14
30	8
31	4
32	2
33	0
34	2
35	4
36	7
37	8
38	10
39	12
40	10
41	6
42	4
43	2
44	0
45	2
46	4
47	6
48	8
49	9
50	12
51	9
52	6
53	4
54	2
55	0
56	2
57	5
58	7
59	7
60	14
61	11
62	9
63	7
64	4
65	2
66	0
67	2
68	4
69	5
70	15
71	12
72	11
73	8
74	6
75	5
76	2
77	0
78	2
79	2
80	18
81	15
82	13
83	10
84	8
85	7
86	4
87	2
88	0
89	1
90	20
91	16
92	14

[0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 3, 4, 6, 9, 11, 12, 15, 16, 7, 3, 0, 2, 4, 6, 9, 11, 13, 14, 8, 4, 2, 0, 2, 4, 7, 8, 10, 12, 10, 6, 4, 2, 0, 2, 4, 6, 8, 9, 12, 9, 6, 4, 2, 0, 2, 5, 7, 7, 14, 11, 9, 7, 4, 2, 0, 2, 4, 5, 15, 12, 11, 8, 6, 5, 2, 0, 2, 2, 18, 15, 13, 10, 8, 7, 4, 2, 0, 1, 20, 16, 14]

cp's OEIS Frontend

A060568 Number of primes between n and R(n) where R(n) (A004086) is the digit reversal of n.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	4
11	0
12	3
13	4
14	6
15	9
16	11
17	12
18	15
19	16
20	7
21	3
22	0
23	2
24	4
25	6
26	9
27	11
28	13
29	14
30	8
31	4
32	2
33	0
34	2
35	4
36	7
37	8
38	10
39	12
40	10
41	6
42	4
43	2
44	0
45	2
46	4
47	6
48	8
49	9
50	12
51	9
52	6
53	4
54	2
55	0
56	2
57	5
58	7
59	7
60	14
61	11
62	9
63	7
64	4
65	2
66	0
67	2
68	4
69	5
70	15
71	12
72	11
73	8
74	6
75	5
76	2
77	0
78	2
79	2
80	18
81	15
82	13
83	10
84	8
85	7
86	4
87	2
88	0
89	1
90	20
91	16
92	14

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	4
11	0
12	3
13	4
14	6
15	9
16	11
17	12
18	15
19	16
20	7
21	3
22	0
23	2
24	4
25	6
26	9
27	11
28	13
29	14
30	8
31	4
32	2
33	0
34	2
35	4
36	7
37	8
38	10
39	12
40	10
41	6
42	4
43	2
44	0
45	2
46	4
47	6
48	8
49	9
50	12
51	9
52	6
53	4
54	2
55	0
56	2
57	5
58	7
59	7
60	14
61	11
62	9
63	7
64	4
65	2
66	0
67	2
68	4
69	5
70	15
71	12
72	11
73	8
74	6
75	5
76	2
77	0
78	2
79	2
80	18
81	15
82	13
83	10
84	8
85	7
86	4
87	2
88	0
89	1
90	20
91	16
92	14

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	0
9	0
10	4
11	0
12	3
13	4
14	6
15	9
16	11
17	12
18	15
19	16
20	7
21	3
22	0
23	2
24	4
25	6
26	9
27	11
28	13
29	14
30	8
31	4
32	2
33	0
34	2
35	4
36	7
37	8
38	10
39	12
40	10
41	6
42	4
43	2
44	0
45	2
46	4
47	6
48	8
49	9
50	12
51	9
52	6
53	4
54	2
55	0
56	2
57	5
58	7
59	7
60	14
61	11
62	9
63	7
64	4
65	2
66	0
67	2
68	4
69	5
70	15
71	12
72	11
73	8
74	6
75	5
76	2
77	0
78	2
79	2
80	18
81	15
82	13
83	10
84	8
85	7
86	4
87	2
88	0
89	1
90	20
91	16
92	14