A363924 - cp's OEIS frontend

A363924 a(n) = number of k <= m such that rad(k) | m, where m = A005117(n) and rad(n) = A007947(n).

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

[1, 2, 2, 2, 5, 2, 6, 2, 2, 6, 5, 2, 2, 5, 7, 2, 7, 2, 18, 2, 6, 8, 5, 2, 8, 6, 2, 19, 2, 8, 2, 6, 2, 5, 6, 8, 2, 2, 8, 5, 22, 2, 6, 20, 2, 2, 9, 5, 23, 2, 9, 2, 5, 9, 7, 2, 5, 7, 9, 5, 2, 2, 25, 2, 16, 9, 2, 2, 21, 7, 2, 26, 5, 9, 5, 9, 7, 2, 7, 23, 2, 5, 10, 2]

cp's OEIS Frontend

A363924 a(n) = number of k <= m such that rad(k) | m, where m = A005117(n) and rad(n) = A007947(n).

Table of values

List of values

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

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

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