A335097 - cp's OEIS frontend

A335097 Number of integers less than n with the same number of prime factors (counted with multiplicity) as n.

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	0
9	2
10	3
11	4
12	1
13	5
14	4
15	5
16	0
17	6
18	2
19	7
20	3
21	6
22	7
23	8
24	1
25	8
26	9
27	4
28	5
29	9
30	6
31	10
32	0
33	10
34	11
35	12
36	2
37	11
38	13
39	14
40	3
41	12
42	7
43	13
44	8
45	9
46	15
47	14
48	1
49	16
50	10
51	17
52	11
53	15
54	4
55	18
56	5
57	19
58	20
59	16
60	6
61	17
62	21
63	12
64	0
65	22
66	13
67	18
68	14
69	23
70	15
71	19
72	2
73	20
74	24
75	16
76	17
77	25
78	18
79	21
80	3

[0, 0, 1, 0, 2, 1, 3, 0, 2, 3, 4, 1, 5, 4, 5, 0, 6, 2, 7, 3, 6, 7, 8, 1, 8, 9, 4, 5, 9, 6, 10, 0, 10, 11, 12, 2, 11, 13, 14, 3, 12, 7, 13, 8, 9, 15, 14, 1, 16, 10, 17, 11, 15, 4, 18, 5, 19, 20, 16, 6, 17, 21, 12, 0, 22, 13, 18, 14, 23, 15, 19, 2, 20, 24, 16, 17, 25, 18, 21, 3]

cp's OEIS Frontend

A335097 Number of integers less than n with the same number of prime factors (counted with multiplicity) as n.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	0
9	2
10	3
11	4
12	1
13	5
14	4
15	5
16	0
17	6
18	2
19	7
20	3
21	6
22	7
23	8
24	1
25	8
26	9
27	4
28	5
29	9
30	6
31	10
32	0
33	10
34	11
35	12
36	2
37	11
38	13
39	14
40	3
41	12
42	7
43	13
44	8
45	9
46	15
47	14
48	1
49	16
50	10
51	17
52	11
53	15
54	4
55	18
56	5
57	19
58	20
59	16
60	6
61	17
62	21
63	12
64	0
65	22
66	13
67	18
68	14
69	23
70	15
71	19
72	2
73	20
74	24
75	16
76	17
77	25
78	18
79	21
80	3

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	0
9	2
10	3
11	4
12	1
13	5
14	4
15	5
16	0
17	6
18	2
19	7
20	3
21	6
22	7
23	8
24	1
25	8
26	9
27	4
28	5
29	9
30	6
31	10
32	0
33	10
34	11
35	12
36	2
37	11
38	13
39	14
40	3
41	12
42	7
43	13
44	8
45	9
46	15
47	14
48	1
49	16
50	10
51	17
52	11
53	15
54	4
55	18
56	5
57	19
58	20
59	16
60	6
61	17
62	21
63	12
64	0
65	22
66	13
67	18
68	14
69	23
70	15
71	19
72	2
73	20
74	24
75	16
76	17
77	25
78	18
79	21
80	3

n	a(n)
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	0
9	2
10	3
11	4
12	1
13	5
14	4
15	5
16	0
17	6
18	2
19	7
20	3
21	6
22	7
23	8
24	1
25	8
26	9
27	4
28	5
29	9
30	6
31	10
32	0
33	10
34	11
35	12
36	2
37	11
38	13
39	14
40	3
41	12
42	7
43	13
44	8
45	9
46	15
47	14
48	1
49	16
50	10
51	17
52	11
53	15
54	4
55	18
56	5
57	19
58	20
59	16
60	6
61	17
62	21
63	12
64	0
65	22
66	13
67	18
68	14
69	23
70	15
71	19
72	2
73	20
74	24
75	16
76	17
77	25
78	18
79	21
80	3