A347986 - cp's OEIS frontend

A347986 Length of identical sequence of prime / nonprime numbers left and right of the integer n (excluded).

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	2
7	1
8	0
9	5
10	0
11	1
12	8
13	1
14	0
15	9
16	0
17	1
18	6
19	1
20	0
21	3
22	0
23	3
24	0
25	1
26	4
27	1
28	0
29	1
30	18
31	1
32	0
33	1
34	4
35	1
36	0
37	3
38	0
39	3
40	0
41	1
42	12
43	1
44	0
45	3
46	0
47	3
48	0
49	1
50	6
51	1
52	0
53	7
54	0
55	1
56	4
57	1
58	0
59	1
60	10
61	1
62	0
63	1
64	4
65	1
66	0
67	3
68	0
69	3
70	0
71	1
72	4
73	1
74	0
75	1
76	4
77	1
78	0
79	3
80	0
81	9
82	0
83	3
84	0
85	1
86	6
87	1
88	0
89	5
90	0
91	1
92	2
93	7
94	2
95	1
96	0
97	3
98	0
99	3

[0, 0, 0, 1, 2, 2, 1, 0, 5, 0, 1, 8, 1, 0, 9, 0, 1, 6, 1, 0, 3, 0, 3, 0, 1, 4, 1, 0, 1, 18, 1, 0, 1, 4, 1, 0, 3, 0, 3, 0, 1, 12, 1, 0, 3, 0, 3, 0, 1, 6, 1, 0, 7, 0, 1, 4, 1, 0, 1, 10, 1, 0, 1, 4, 1, 0, 3, 0, 3, 0, 1, 4, 1, 0, 1, 4, 1, 0, 3, 0, 9, 0, 3, 0, 1, 6, 1, 0, 5, 0, 1, 2, 7, 2, 1, 0, 3, 0, 3]

cp's OEIS Frontend

A347986 Length of identical sequence of prime / nonprime numbers left and right of the integer n (excluded).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	2
7	1
8	0
9	5
10	0
11	1
12	8
13	1
14	0
15	9
16	0
17	1
18	6
19	1
20	0
21	3
22	0
23	3
24	0
25	1
26	4
27	1
28	0
29	1
30	18
31	1
32	0
33	1
34	4
35	1
36	0
37	3
38	0
39	3
40	0
41	1
42	12
43	1
44	0
45	3
46	0
47	3
48	0
49	1
50	6
51	1
52	0
53	7
54	0
55	1
56	4
57	1
58	0
59	1
60	10
61	1
62	0
63	1
64	4
65	1
66	0
67	3
68	0
69	3
70	0
71	1
72	4
73	1
74	0
75	1
76	4
77	1
78	0
79	3
80	0
81	9
82	0
83	3
84	0
85	1
86	6
87	1
88	0
89	5
90	0
91	1
92	2
93	7
94	2
95	1
96	0
97	3
98	0
99	3

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	2
7	1
8	0
9	5
10	0
11	1
12	8
13	1
14	0
15	9
16	0
17	1
18	6
19	1
20	0
21	3
22	0
23	3
24	0
25	1
26	4
27	1
28	0
29	1
30	18
31	1
32	0
33	1
34	4
35	1
36	0
37	3
38	0
39	3
40	0
41	1
42	12
43	1
44	0
45	3
46	0
47	3
48	0
49	1
50	6
51	1
52	0
53	7
54	0
55	1
56	4
57	1
58	0
59	1
60	10
61	1
62	0
63	1
64	4
65	1
66	0
67	3
68	0
69	3
70	0
71	1
72	4
73	1
74	0
75	1
76	4
77	1
78	0
79	3
80	0
81	9
82	0
83	3
84	0
85	1
86	6
87	1
88	0
89	5
90	0
91	1
92	2
93	7
94	2
95	1
96	0
97	3
98	0
99	3

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	2
7	1
8	0
9	5
10	0
11	1
12	8
13	1
14	0
15	9
16	0
17	1
18	6
19	1
20	0
21	3
22	0
23	3
24	0
25	1
26	4
27	1
28	0
29	1
30	18
31	1
32	0
33	1
34	4
35	1
36	0
37	3
38	0
39	3
40	0
41	1
42	12
43	1
44	0
45	3
46	0
47	3
48	0
49	1
50	6
51	1
52	0
53	7
54	0
55	1
56	4
57	1
58	0
59	1
60	10
61	1
62	0
63	1
64	4
65	1
66	0
67	3
68	0
69	3
70	0
71	1
72	4
73	1
74	0
75	1
76	4
77	1
78	0
79	3
80	0
81	9
82	0
83	3
84	0
85	1
86	6
87	1
88	0
89	5
90	0
91	1
92	2
93	7
94	2
95	1
96	0
97	3
98	0
99	3