A230120 - cp's OEIS frontend

A230120 a(n) is the number of evil integers (A001969) not exceeding n and prime to n.

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

[0, 0, 0, 1, 1, 1, 3, 2, 1, 2, 5, 1, 6, 3, 0, 4, 7, 2, 9, 3, 4, 5, 10, 3, 8, 6, 5, 7, 13, 3, 15, 8, 6, 8, 12, 4, 18, 9, 7, 8, 20, 4, 20, 10, 5, 11, 23, 5, 24, 9, 8, 12, 25, 6, 19, 14, 11, 14, 29, 5, 30, 15, 12, 16, 22, 7, 33, 15, 12, 12, 34, 8, 36, 18, 10, 18]

cp's OEIS Frontend

A230120 a(n) is the number of evil integers (A001969) not exceeding n and prime to n.

Table of values

List of values

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

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

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