A279507 - cp's OEIS frontend

A279507 a(n) = floor(phi(n)/tau(n)).

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

[1, 0, 1, 0, 2, 0, 3, 1, 2, 1, 5, 0, 6, 1, 2, 1, 8, 1, 9, 1, 3, 2, 11, 1, 6, 3, 4, 2, 14, 1, 15, 2, 5, 4, 6, 1, 18, 4, 6, 2, 20, 1, 21, 3, 4, 5, 23, 1, 14, 3, 8, 4, 26, 2, 10, 3, 9, 7, 29, 1, 30, 7, 6, 4, 12, 2, 33, 5, 11, 3, 35, 2, 36, 9, 6, 6, 15, 3, 39, 3]

cp's OEIS Frontend

A279507 a(n) = floor(phi(n)/tau(n)).

Table of values

List of values

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

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

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