A052297 - cp's OEIS frontend

A052297 Number of distinct prime factors of all composite numbers between n-th and (n+1)st primes.

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

[0, 1, 2, 3, 2, 4, 2, 5, 5, 3, 6, 5, 3, 5, 6, 7, 3, 7, 6, 2, 8, 4, 8, 9, 5, 3, 6, 2, 6, 14, 5, 8, 3, 11, 3, 9, 7, 6, 8, 8, 3, 13, 2, 6, 3, 14, 15, 5, 3, 7, 9, 3, 11, 8, 9, 9, 3, 9, 6, 3, 13, 16, 7, 3, 6, 16, 8, 13, 3, 6, 9, 10, 9, 9, 6, 8, 11, 6, 12, 14, 4, 14, 2, 10, 7, 8, 11, 6, 4, 6, 16, 10, 6, 13]

cp's OEIS Frontend

A052297 Number of distinct prime factors of all composite numbers between n-th and (n+1)st primes.

Table of values

List of values

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

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

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