A181796 - cp's OEIS frontend

A181796 a(n) = number of divisors of n whose canonical prime factorizations contain no repeated positive exponents (cf. A130091).

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

[1, 2, 2, 3, 2, 3, 2, 4, 3, 3, 2, 5, 2, 3, 3, 5, 2, 5, 2, 5, 3, 3, 2, 7, 3, 3, 4, 5, 2, 4, 2, 6, 3, 3, 3, 7, 2, 3, 3, 7, 2, 4, 2, 5, 5, 3, 2, 9, 3, 5, 3, 5, 2, 7, 3, 7, 3, 3, 2, 7, 2, 3, 5, 7, 3, 4, 2, 5, 3, 4, 2, 10, 2, 3, 5, 5, 3, 4, 2, 9, 5, 3, 2, 7, 3, 3, 3, 7, 2, 7, 3, 5, 3, 3, 3, 11, 2, 5, 5, 7, 2, 4, 2, 7, 4]

cp's OEIS Frontend

A181796 a(n) = number of divisors of n whose canonical prime factorizations contain no repeated positive exponents (cf. A130091).

Table of values

List of values

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

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

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