A179179 - cp's OEIS frontend

A179179 a(n) = phi(n) - omega(n) = A000010(n) - A001221(n).

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

[1, 0, 1, 1, 3, 0, 5, 3, 5, 2, 9, 2, 11, 4, 6, 7, 15, 4, 17, 6, 10, 8, 21, 6, 19, 10, 17, 10, 27, 5, 29, 15, 18, 14, 22, 10, 35, 16, 22, 14, 39, 9, 41, 18, 22, 20, 45, 14, 41, 18, 30, 22, 51, 16, 38, 22, 34, 26, 57, 13, 59, 28, 34, 31, 46, 17, 65, 30, 42, 21, 69, 22, 71, 34, 38, 34, 58]

cp's OEIS Frontend

A179179 a(n) = phi(n) - omega(n) = A000010(n) - A001221(n).

Table of values

List of values

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

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

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