A356005 - cp's OEIS frontend

A356005 Number of integers k such that k*tau(k) <= n.

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

[1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 8, 8, 9, 10, 10, 10, 10, 10, 11, 11, 12, 12, 12, 12, 13, 13, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 21, 22, 22, 22, 22, 22]

cp's OEIS Frontend

A356005 Number of integers k such that k*tau(k) <= n.

Table of values

List of values

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

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

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