A321860 - cp's OEIS frontend

A321860 Number of primes congruent to 2, 6, 7, 8, 10 modulo 11 and <= n minus number of primes congruent to 1, 3, 4, 5, 9 modulo 11 and <= n.

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

[0, 1, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2]

cp's OEIS Frontend

A321860 Number of primes congruent to 2, 6, 7, 8, 10 modulo 11 and <= n minus number of primes congruent to 1, 3, 4, 5, 9 modulo 11 and <= n.

Table of values

List of values

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

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

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