A067514 - cp's OEIS frontend

A067514 Number of distinct primes of the form floor(n/k) for 1 <= k <= n.

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	2
7	3
8	1
9	2
10	3
11	4
12	2
13	3
14	3
15	4
16	3
17	4
18	2
19	3
20	3
21	4
22	5
23	6
24	2
25	3
26	4
27	4
28	4
29	5
30	4
31	5
32	3
33	4
34	5
35	6
36	4
37	5
38	5
39	6
40	4
41	5
42	4
43	5
44	5
45	5
46	6
47	7
48	3
49	4
50	4
51	5
52	6
53	7
54	5
55	6
56	5
57	6
58	7
59	8
60	4
61	5
62	5
63	5
64	4
65	5
66	6
67	7
68	7
69	8
70	7
71	8
72	4
73	5
74	5
75	5
76	5
77	6
78	7
79	8
80	6
81	6
82	7
83	8
84	4
85	5
86	6
87	7
88	7
89	8
90	5
91	6
92	7
93	8
94	9
95	10
96	6
97	7
98	5
99	6
100	5
101	6
102	6

[0, 1, 1, 1, 2, 2, 3, 1, 2, 3, 4, 2, 3, 3, 4, 3, 4, 2, 3, 3, 4, 5, 6, 2, 3, 4, 4, 4, 5, 4, 5, 3, 4, 5, 6, 4, 5, 5, 6, 4, 5, 4, 5, 5, 5, 6, 7, 3, 4, 4, 5, 6, 7, 5, 6, 5, 6, 7, 8, 4, 5, 5, 5, 4, 5, 6, 7, 7, 8, 7, 8, 4, 5, 5, 5, 5, 6, 7, 8, 6, 6, 7, 8, 4, 5, 6, 7, 7, 8, 5, 6, 7, 8, 9, 10, 6, 7, 5, 6, 5, 6, 6]

cp's OEIS Frontend

A067514 Number of distinct primes of the form floor(n/k) for 1 <= k <= n.

Table of values

List of values

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	2
7	3
8	1
9	2
10	3
11	4
12	2
13	3
14	3
15	4
16	3
17	4
18	2
19	3
20	3
21	4
22	5
23	6
24	2
25	3
26	4
27	4
28	4
29	5
30	4
31	5
32	3
33	4
34	5
35	6
36	4
37	5
38	5
39	6
40	4
41	5
42	4
43	5
44	5
45	5
46	6
47	7
48	3
49	4
50	4
51	5
52	6
53	7
54	5
55	6
56	5
57	6
58	7
59	8
60	4
61	5
62	5
63	5
64	4
65	5
66	6
67	7
68	7
69	8
70	7
71	8
72	4
73	5
74	5
75	5
76	5
77	6
78	7
79	8
80	6
81	6
82	7
83	8
84	4
85	5
86	6
87	7
88	7
89	8
90	5
91	6
92	7
93	8
94	9
95	10
96	6
97	7
98	5
99	6
100	5
101	6
102	6

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	2
7	3
8	1
9	2
10	3
11	4
12	2
13	3
14	3
15	4
16	3
17	4
18	2
19	3
20	3
21	4
22	5
23	6
24	2
25	3
26	4
27	4
28	4
29	5
30	4
31	5
32	3
33	4
34	5
35	6
36	4
37	5
38	5
39	6
40	4
41	5
42	4
43	5
44	5
45	5
46	6
47	7
48	3
49	4
50	4
51	5
52	6
53	7
54	5
55	6
56	5
57	6
58	7
59	8
60	4
61	5
62	5
63	5
64	4
65	5
66	6
67	7
68	7
69	8
70	7
71	8
72	4
73	5
74	5
75	5
76	5
77	6
78	7
79	8
80	6
81	6
82	7
83	8
84	4
85	5
86	6
87	7
88	7
89	8
90	5
91	6
92	7
93	8
94	9
95	10
96	6
97	7
98	5
99	6
100	5
101	6
102	6

n	a(n)
1	0
2	1
3	1
4	1
5	2
6	2
7	3
8	1
9	2
10	3
11	4
12	2
13	3
14	3
15	4
16	3
17	4
18	2
19	3
20	3
21	4
22	5
23	6
24	2
25	3
26	4
27	4
28	4
29	5
30	4
31	5
32	3
33	4
34	5
35	6
36	4
37	5
38	5
39	6
40	4
41	5
42	4
43	5
44	5
45	5
46	6
47	7
48	3
49	4
50	4
51	5
52	6
53	7
54	5
55	6
56	5
57	6
58	7
59	8
60	4
61	5
62	5
63	5
64	4
65	5
66	6
67	7
68	7
69	8
70	7
71	8
72	4
73	5
74	5
75	5
76	5
77	6
78	7
79	8
80	6
81	6
82	7
83	8
84	4
85	5
86	6
87	7
88	7
89	8
90	5
91	6
92	7
93	8
94	9
95	10
96	6
97	7
98	5
99	6
100	5
101	6
102	6