A365792 - cp's OEIS frontend

A365792 a(n) = number of k <= b(n) such that rad(k) | b(n), where rad(n) = A007947(n) and b(n) = A286708(n).

n	a(n)
1	14
2	18
3	15
4	21
5	23
6	16
7	19
8	26
9	13
10	29
11	30
12	20
13	23
14	32
15	14
16	18
17	24
18	35
19	36
20	18
21	19
22	24
23	28
24	39
25	83
26	21
27	40
28	29
29	15
30	20
31	42
32	21
33	13
34	43
35	18
36	22
37	27
38	21
39	15
40	28
41	33
42	46
43	91
44	104
45	25
46	47
47	34
48	23
49	22
50	50
51	24
52	36
53	51
54	16
55	120
56	26
57	32
58	24
59	52
60	13
61	22
62	33
63	39
64	16
65	19

[14, 18, 15, 21, 23, 16, 19, 26, 13, 29, 30, 20, 23, 32, 14, 18, 24, 35, 36, 18, 19, 24, 28, 39, 83, 21, 40, 29, 15, 20, 42, 21, 13, 43, 18, 22, 27, 21, 15, 28, 33, 46, 91, 104, 25, 47, 34, 23, 22, 50, 24, 36, 51, 16, 120, 26, 32, 24, 52, 13, 22, 33, 39, 16, 19]

cp's OEIS Frontend

A365792 a(n) = number of k <= b(n) such that rad(k) | b(n), where rad(n) = A007947(n) and b(n) = A286708(n).

Table of values

List of values

n	a(n)
1	14
2	18
3	15
4	21
5	23
6	16
7	19
8	26
9	13
10	29
11	30
12	20
13	23
14	32
15	14
16	18
17	24
18	35
19	36
20	18
21	19
22	24
23	28
24	39
25	83
26	21
27	40
28	29
29	15
30	20
31	42
32	21
33	13
34	43
35	18
36	22
37	27
38	21
39	15
40	28
41	33
42	46
43	91
44	104
45	25
46	47
47	34
48	23
49	22
50	50
51	24
52	36
53	51
54	16
55	120
56	26
57	32
58	24
59	52
60	13
61	22
62	33
63	39
64	16
65	19

n	a(n)
1	14
2	18
3	15
4	21
5	23
6	16
7	19
8	26
9	13
10	29
11	30
12	20
13	23
14	32
15	14
16	18
17	24
18	35
19	36
20	18
21	19
22	24
23	28
24	39
25	83
26	21
27	40
28	29
29	15
30	20
31	42
32	21
33	13
34	43
35	18
36	22
37	27
38	21
39	15
40	28
41	33
42	46
43	91
44	104
45	25
46	47
47	34
48	23
49	22
50	50
51	24
52	36
53	51
54	16
55	120
56	26
57	32
58	24
59	52
60	13
61	22
62	33
63	39
64	16
65	19

n	a(n)
1	14
2	18
3	15
4	21
5	23
6	16
7	19
8	26
9	13
10	29
11	30
12	20
13	23
14	32
15	14
16	18
17	24
18	35
19	36
20	18
21	19
22	24
23	28
24	39
25	83
26	21
27	40
28	29
29	15
30	20
31	42
32	21
33	13
34	43
35	18
36	22
37	27
38	21
39	15
40	28
41	33
42	46
43	91
44	104
45	25
46	47
47	34
48	23
49	22
50	50
51	24
52	36
53	51
54	16
55	120
56	26
57	32
58	24
59	52
60	13
61	22
62	33
63	39
64	16
65	19