A005090 - cp's OEIS frontend

A005090 Number of primes == 2 mod 3 dividing n.

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	1
7	0
8	1
9	0
10	2
11	1
12	1
13	0
14	1
15	1
16	1
17	1
18	1
19	0
20	2
21	0
22	2
23	1
24	1
25	1
26	1
27	0
28	1
29	1
30	2
31	0
32	1
33	1
34	2
35	1
36	1
37	0
38	1
39	0
40	2
41	1
42	1
43	0
44	2
45	1
46	2
47	1
48	1
49	0
50	2
51	1
52	1
53	1
54	1
55	2
56	1
57	0
58	2
59	1
60	2
61	0
62	1
63	0
64	1
65	1
66	2
67	0
68	2
69	1
70	2
71	1
72	1
73	0
74	1
75	1
76	1
77	1
78	1
79	0
80	2
81	0
82	2
83	1
84	1
85	2
86	1
87	1
88	2
89	1
90	2
91	0
92	2
93	0
94	2
95	1
96	1
97	0
98	1
99	1
100	2
101	1
102	2
103	0
104	1
105	1
106	2
107	1
108	1
109	0
110	3
111	0
112	1
113	1
114	1
115	2
116	2
117	0
118	2
119	1
120	2

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

cp's OEIS Frontend

A005090 Number of primes == 2 mod 3 dividing n.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	1
7	0
8	1
9	0
10	2
11	1
12	1
13	0
14	1
15	1
16	1
17	1
18	1
19	0
20	2
21	0
22	2
23	1
24	1
25	1
26	1
27	0
28	1
29	1
30	2
31	0
32	1
33	1
34	2
35	1
36	1
37	0
38	1
39	0
40	2
41	1
42	1
43	0
44	2
45	1
46	2
47	1
48	1
49	0
50	2
51	1
52	1
53	1
54	1
55	2
56	1
57	0
58	2
59	1
60	2
61	0
62	1
63	0
64	1
65	1
66	2
67	0
68	2
69	1
70	2
71	1
72	1
73	0
74	1
75	1
76	1
77	1
78	1
79	0
80	2
81	0
82	2
83	1
84	1
85	2
86	1
87	1
88	2
89	1
90	2
91	0
92	2
93	0
94	2
95	1
96	1
97	0
98	1
99	1
100	2
101	1
102	2
103	0
104	1
105	1
106	2
107	1
108	1
109	0
110	3
111	0
112	1
113	1
114	1
115	2
116	2
117	0
118	2
119	1
120	2

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	1
7	0
8	1
9	0
10	2
11	1
12	1
13	0
14	1
15	1
16	1
17	1
18	1
19	0
20	2
21	0
22	2
23	1
24	1
25	1
26	1
27	0
28	1
29	1
30	2
31	0
32	1
33	1
34	2
35	1
36	1
37	0
38	1
39	0
40	2
41	1
42	1
43	0
44	2
45	1
46	2
47	1
48	1
49	0
50	2
51	1
52	1
53	1
54	1
55	2
56	1
57	0
58	2
59	1
60	2
61	0
62	1
63	0
64	1
65	1
66	2
67	0
68	2
69	1
70	2
71	1
72	1
73	0
74	1
75	1
76	1
77	1
78	1
79	0
80	2
81	0
82	2
83	1
84	1
85	2
86	1
87	1
88	2
89	1
90	2
91	0
92	2
93	0
94	2
95	1
96	1
97	0
98	1
99	1
100	2
101	1
102	2
103	0
104	1
105	1
106	2
107	1
108	1
109	0
110	3
111	0
112	1
113	1
114	1
115	2
116	2
117	0
118	2
119	1
120	2

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	1
7	0
8	1
9	0
10	2
11	1
12	1
13	0
14	1
15	1
16	1
17	1
18	1
19	0
20	2
21	0
22	2
23	1
24	1
25	1
26	1
27	0
28	1
29	1
30	2
31	0
32	1
33	1
34	2
35	1
36	1
37	0
38	1
39	0
40	2
41	1
42	1
43	0
44	2
45	1
46	2
47	1
48	1
49	0
50	2
51	1
52	1
53	1
54	1
55	2
56	1
57	0
58	2
59	1
60	2
61	0
62	1
63	0
64	1
65	1
66	2
67	0
68	2
69	1
70	2
71	1
72	1
73	0
74	1
75	1
76	1
77	1
78	1
79	0
80	2
81	0
82	2
83	1
84	1
85	2
86	1
87	1
88	2
89	1
90	2
91	0
92	2
93	0
94	2
95	1
96	1
97	0
98	1
99	1
100	2
101	1
102	2
103	0
104	1
105	1
106	2
107	1
108	1
109	0
110	3
111	0
112	1
113	1
114	1
115	2
116	2
117	0
118	2
119	1
120	2