A351923 - cp's OEIS frontend

A351923 Number of ordered pairs of positive integers (s,t), s,t <= n, such that (s^t) | n.

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	9
7	8
8	13
9	12
10	13
11	12
12	18
13	14
14	17
15	18
16	24
17	18
18	24
19	20
20	26
21	24
22	25
23	24
24	33
25	28
26	29
27	32
28	34
29	30
30	37
31	32
32	42
33	36
34	37
35	38
36	47
37	38
38	41
39	42
40	49
41	42
42	49
43	44
44	50
45	51
46	49
47	48
48	61
49	52
50	56
51	54
52	58
53	54
54	63
55	58
56	65
57	60
58	61
59	60
60	72
61	62
62	65
63	69
64	78
65	68
66	73
67	68
68	74
69	72
70	77
71	72
72	87
73	74

[1, 3, 4, 7, 6, 9, 8, 13, 12, 13, 12, 18, 14, 17, 18, 24, 18, 24, 20, 26, 24, 25, 24, 33, 28, 29, 32, 34, 30, 37, 32, 42, 36, 37, 38, 47, 38, 41, 42, 49, 42, 49, 44, 50, 51, 49, 48, 61, 52, 56, 54, 58, 54, 63, 58, 65, 60, 61, 60, 72, 62, 65, 69, 78, 68, 73, 68, 74, 72, 77, 72, 87, 74]

cp's OEIS Frontend

A351923 Number of ordered pairs of positive integers (s,t), s,t <= n, such that (s^t) | n.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	9
7	8
8	13
9	12
10	13
11	12
12	18
13	14
14	17
15	18
16	24
17	18
18	24
19	20
20	26
21	24
22	25
23	24
24	33
25	28
26	29
27	32
28	34
29	30
30	37
31	32
32	42
33	36
34	37
35	38
36	47
37	38
38	41
39	42
40	49
41	42
42	49
43	44
44	50
45	51
46	49
47	48
48	61
49	52
50	56
51	54
52	58
53	54
54	63
55	58
56	65
57	60
58	61
59	60
60	72
61	62
62	65
63	69
64	78
65	68
66	73
67	68
68	74
69	72
70	77
71	72
72	87
73	74

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	9
7	8
8	13
9	12
10	13
11	12
12	18
13	14
14	17
15	18
16	24
17	18
18	24
19	20
20	26
21	24
22	25
23	24
24	33
25	28
26	29
27	32
28	34
29	30
30	37
31	32
32	42
33	36
34	37
35	38
36	47
37	38
38	41
39	42
40	49
41	42
42	49
43	44
44	50
45	51
46	49
47	48
48	61
49	52
50	56
51	54
52	58
53	54
54	63
55	58
56	65
57	60
58	61
59	60
60	72
61	62
62	65
63	69
64	78
65	68
66	73
67	68
68	74
69	72
70	77
71	72
72	87
73	74

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	9
7	8
8	13
9	12
10	13
11	12
12	18
13	14
14	17
15	18
16	24
17	18
18	24
19	20
20	26
21	24
22	25
23	24
24	33
25	28
26	29
27	32
28	34
29	30
30	37
31	32
32	42
33	36
34	37
35	38
36	47
37	38
38	41
39	42
40	49
41	42
42	49
43	44
44	50
45	51
46	49
47	48
48	61
49	52
50	56
51	54
52	58
53	54
54	63
55	58
56	65
57	60
58	61
59	60
60	72
61	62
62	65
63	69
64	78
65	68
66	73
67	68
68	74
69	72
70	77
71	72
72	87
73	74