A364225 - cp's OEIS frontend

A364225 a(n) = number of k <= m such that rad(k) | m, where m = A025487(n) and rad(n) = A007947(n).

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	8
7	5
8	11
9	18
10	6
11	14
12	15
13	26
14	7
15	18
16	20
17	36
18	8
19	23
20	44
21	25
22	68
23	26
24	49
25	9
26	29
27	58
28	31
29	96
30	32
31	65
32	10
33	35
34	76
35	38
36	131
37	39
38	83
39	84
40	11
41	88
42	42
43	156
44	43
45	97
46	45
47	174
48	46
49	104
50	106
51	12
52	111
53	50
54	283
55	206
56	51
57	121
58	53
59	228
60	54
61	130
62	133
63	13
64	138
65	58

[1, 2, 3, 5, 4, 8, 5, 11, 18, 6, 14, 15, 26, 7, 18, 20, 36, 8, 23, 44, 25, 68, 26, 49, 9, 29, 58, 31, 96, 32, 65, 10, 35, 76, 38, 131, 39, 83, 84, 11, 88, 42, 156, 43, 97, 45, 174, 46, 104, 106, 12, 111, 50, 283, 206, 51, 121, 53, 228, 54, 130, 133, 13, 138, 58]

cp's OEIS Frontend

A364225 a(n) = number of k <= m such that rad(k) | m, where m = A025487(n) and rad(n) = A007947(n).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	8
7	5
8	11
9	18
10	6
11	14
12	15
13	26
14	7
15	18
16	20
17	36
18	8
19	23
20	44
21	25
22	68
23	26
24	49
25	9
26	29
27	58
28	31
29	96
30	32
31	65
32	10
33	35
34	76
35	38
36	131
37	39
38	83
39	84
40	11
41	88
42	42
43	156
44	43
45	97
46	45
47	174
48	46
49	104
50	106
51	12
52	111
53	50
54	283
55	206
56	51
57	121
58	53
59	228
60	54
61	130
62	133
63	13
64	138
65	58

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	8
7	5
8	11
9	18
10	6
11	14
12	15
13	26
14	7
15	18
16	20
17	36
18	8
19	23
20	44
21	25
22	68
23	26
24	49
25	9
26	29
27	58
28	31
29	96
30	32
31	65
32	10
33	35
34	76
35	38
36	131
37	39
38	83
39	84
40	11
41	88
42	42
43	156
44	43
45	97
46	45
47	174
48	46
49	104
50	106
51	12
52	111
53	50
54	283
55	206
56	51
57	121
58	53
59	228
60	54
61	130
62	133
63	13
64	138
65	58

n	a(n)
1	1
2	2
3	3
4	5
5	4
6	8
7	5
8	11
9	18
10	6
11	14
12	15
13	26
14	7
15	18
16	20
17	36
18	8
19	23
20	44
21	25
22	68
23	26
24	49
25	9
26	29
27	58
28	31
29	96
30	32
31	65
32	10
33	35
34	76
35	38
36	131
37	39
38	83
39	84
40	11
41	88
42	42
43	156
44	43
45	97
46	45
47	174
48	46
49	104
50	106
51	12
52	111
53	50
54	283
55	206
56	51
57	121
58	53
59	228
60	54
61	130
62	133
63	13
64	138
65	58