A360543 - cp's OEIS frontend

A360543 a(n) = number of numbers k < n, gcd(k, n) > 1, such that omega(k) > omega(n) and rad(n) | rad(k), where omega(n) = A001221(n) and rad(n) = A007947(n).

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	0
11	0
12	0
13	0
14	0
15	0
16	4
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	3
26	0
27	6
28	0
29	0
30	0
31	0
32	11
33	0
34	0
35	0
36	1
37	0
38	0
39	0
40	1
41	0
42	0
43	0
44	0
45	1
46	0
47	0
48	2
49	5
50	1
51	0
52	0
53	0
54	2
55	0
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	1
64	26
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	4
73	0
74	0
75	2
76	0
77	0
78	0
79	0
80	3
81	23
82	0
83	0
84	0
85	0
86	0
87	0
88	1
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	7
97	0
98	3
99	1
100	4

[0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 3, 0, 6, 0, 0, 0, 0, 11, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 2, 5, 1, 0, 0, 0, 2, 0, 1, 0, 0, 0, 0, 0, 0, 1, 26, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0, 2, 0, 0, 0, 0, 3, 23, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 7, 0, 3, 1, 4]

cp's OEIS Frontend

A360543 a(n) = number of numbers k < n, gcd(k, n) > 1, such that omega(k) > omega(n) and rad(n) | rad(k), where omega(n) = A001221(n) and rad(n) = A007947(n).

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	0
11	0
12	0
13	0
14	0
15	0
16	4
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	3
26	0
27	6
28	0
29	0
30	0
31	0
32	11
33	0
34	0
35	0
36	1
37	0
38	0
39	0
40	1
41	0
42	0
43	0
44	0
45	1
46	0
47	0
48	2
49	5
50	1
51	0
52	0
53	0
54	2
55	0
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	1
64	26
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	4
73	0
74	0
75	2
76	0
77	0
78	0
79	0
80	3
81	23
82	0
83	0
84	0
85	0
86	0
87	0
88	1
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	7
97	0
98	3
99	1
100	4

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	0
11	0
12	0
13	0
14	0
15	0
16	4
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	3
26	0
27	6
28	0
29	0
30	0
31	0
32	11
33	0
34	0
35	0
36	1
37	0
38	0
39	0
40	1
41	0
42	0
43	0
44	0
45	1
46	0
47	0
48	2
49	5
50	1
51	0
52	0
53	0
54	2
55	0
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	1
64	26
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	4
73	0
74	0
75	2
76	0
77	0
78	0
79	0
80	3
81	23
82	0
83	0
84	0
85	0
86	0
87	0
88	1
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	7
97	0
98	3
99	1
100	4

n	a(n)
1	0
2	0
3	0
4	0
5	0
6	0
7	0
8	1
9	1
10	0
11	0
12	0
13	0
14	0
15	0
16	4
17	0
18	0
19	0
20	0
21	0
22	0
23	0
24	0
25	3
26	0
27	6
28	0
29	0
30	0
31	0
32	11
33	0
34	0
35	0
36	1
37	0
38	0
39	0
40	1
41	0
42	0
43	0
44	0
45	1
46	0
47	0
48	2
49	5
50	1
51	0
52	0
53	0
54	2
55	0
56	1
57	0
58	0
59	0
60	0
61	0
62	0
63	1
64	26
65	0
66	0
67	0
68	0
69	0
70	0
71	0
72	4
73	0
74	0
75	2
76	0
77	0
78	0
79	0
80	3
81	23
82	0
83	0
84	0
85	0
86	0
87	0
88	1
89	0
90	0
91	0
92	0
93	0
94	0
95	0
96	7
97	0
98	3
99	1
100	4