A055205 - cp's OEIS frontend

A055205 Number of nonsquare divisors of n^2.

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

[0, 1, 1, 2, 1, 5, 1, 3, 2, 5, 1, 9, 1, 5, 5, 4, 1, 9, 1, 9, 5, 5, 1, 13, 2, 5, 3, 9, 1, 19, 1, 5, 5, 5, 5, 16, 1, 5, 5, 13, 1, 19, 1, 9, 9, 5, 1, 17, 2, 9, 5, 9, 1, 13, 5, 13, 5, 5, 1, 33, 1, 5, 9, 6, 5, 19, 1, 9, 5, 19, 1, 23, 1, 5, 9, 9, 5, 19, 1, 17, 4, 5, 1, 33, 5, 5, 5, 13, 1, 33, 5, 9, 5, 5, 5]

cp's OEIS Frontend

A055205 Number of nonsquare divisors of n^2.

Table of values

List of values

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

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

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