A321856 - cp's OEIS frontend

A321856 Number of primes of the form 3m + 2 <= n minus number of primes of the form 3m + 1 <= n.

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	2
7	1
8	1
9	1
10	1
11	2
12	2
13	1
14	1
15	1
16	1
17	2
18	2
19	1
20	1
21	1
22	1
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	1
44	1
45	1
46	1
47	2
48	2
49	2
50	2
51	2
52	2
53	3
54	3
55	3
56	3
57	3
58	3
59	4
60	4
61	3
62	3
63	3
64	3
65	3
66	3
67	2
68	2
69	2
70	2
71	3
72	3
73	2
74	2
75	2
76	2
77	2
78	2
79	1
80	1
81	1
82	1
83	2
84	2
85	2
86	2
87	2

[0, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2]

cp's OEIS Frontend

A321856 Number of primes of the form 3m + 2 <= n minus number of primes of the form 3m + 1 <= n.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	2
7	1
8	1
9	1
10	1
11	2
12	2
13	1
14	1
15	1
16	1
17	2
18	2
19	1
20	1
21	1
22	1
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	1
44	1
45	1
46	1
47	2
48	2
49	2
50	2
51	2
52	2
53	3
54	3
55	3
56	3
57	3
58	3
59	4
60	4
61	3
62	3
63	3
64	3
65	3
66	3
67	2
68	2
69	2
70	2
71	3
72	3
73	2
74	2
75	2
76	2
77	2
78	2
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	1
4	1
5	2
6	2
7	1
8	1
9	1
10	1
11	2
12	2
13	1
14	1
15	1
16	1
17	2
18	2
19	1
20	1
21	1
22	1
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	1
44	1
45	1
46	1
47	2
48	2
49	2
50	2
51	2
52	2
53	3
54	3
55	3
56	3
57	3
58	3
59	4
60	4
61	3
62	3
63	3
64	3
65	3
66	3
67	2
68	2
69	2
70	2
71	3
72	3
73	2
74	2
75	2
76	2
77	2
78	2
79	1
80	1
81	1
82	1
83	2
84	2
85	2
86	2
87	2

cp's OEIS Frontend

A321856 Number of primes of the form 3*m + 2 <= n minus number of primes of the form 3*m + 1 <= n.

Table of values

List of values

A321856 Number of primes of the form 3m + 2 <= n minus number of primes of the form 3m + 1 <= n.

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	2
7	1
8	1
9	1
10	1
11	2
12	2
13	1
14	1
15	1
16	1
17	2
18	2
19	1
20	1
21	1
22	1
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	1
44	1
45	1
46	1
47	2
48	2
49	2
50	2
51	2
52	2
53	3
54	3
55	3
56	3
57	3
58	3
59	4
60	4
61	3
62	3
63	3
64	3
65	3
66	3
67	2
68	2
69	2
70	2
71	3
72	3
73	2
74	2
75	2
76	2
77	2
78	2
79	1
80	1
81	1
82	1
83	2
84	2
85	2
86	2
87	2