A074908 - cp's OEIS frontend

A074908 Number of integers with an odd number of distinct primes (for which mu(n)=-1) between two consecutive primes prime(n) and prime(n+1).

n	a(n)
1	2
2	2
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	3
11	2
12	2
13	3
14	2
15	2
16	2
17	2
18	3
19	3
20	2
21	3
22	2
23	2
24	2
25	2
26	3
27	3
28	2
29	3
30	3
31	3
32	2
33	3
34	2
35	2
36	3
37	2
38	3
39	3
40	3
41	2
42	5
43	2
44	3
45	2
46	2
47	3
48	2
49	2
50	4
51	3
52	2
53	3
54	3
55	3
56	3
57	2
58	3
59	2
60	3
61	5
62	2
63	3
64	2
65	2
66	4
67	2
68	3
69	2
70	2
71	4
72	3
73	3
74	3
75	2
76	3
77	2
78	3
79	4
80	4
81	2
82	5
83	2
84	5
85	3
86	2
87	3
88	2
89	2
90	3
91	4
92	3
93	2
94	4
95	2
96	3
97	3
98	2
99	4
100	2
101	3
102	3
103	2
104	2
105	3

[2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 3, 2, 2, 2, 2, 3, 3, 2, 3, 2, 2, 2, 2, 3, 3, 2, 3, 3, 3, 2, 3, 2, 2, 3, 2, 3, 3, 3, 2, 5, 2, 3, 2, 2, 3, 2, 2, 4, 3, 2, 3, 3, 3, 3, 2, 3, 2, 3, 5, 2, 3, 2, 2, 4, 2, 3, 2, 2, 4, 3, 3, 3, 2, 3, 2, 3, 4, 4, 2, 5, 2, 5, 3, 2, 3, 2, 2, 3, 4, 3, 2, 4, 2, 3, 3, 2, 4, 2, 3, 3, 2, 2, 3]

cp's OEIS Frontend

A074908 Number of integers with an odd number of distinct primes (for which mu(n)=-1) between two consecutive primes prime(n) and prime(n+1).

Table of values

List of values

n	a(n)
1	2
2	2
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	3
11	2
12	2
13	3
14	2
15	2
16	2
17	2
18	3
19	3
20	2
21	3
22	2
23	2
24	2
25	2
26	3
27	3
28	2
29	3
30	3
31	3
32	2
33	3
34	2
35	2
36	3
37	2
38	3
39	3
40	3
41	2
42	5
43	2
44	3
45	2
46	2
47	3
48	2
49	2
50	4
51	3
52	2
53	3
54	3
55	3
56	3
57	2
58	3
59	2
60	3
61	5
62	2
63	3
64	2
65	2
66	4
67	2
68	3
69	2
70	2
71	4
72	3
73	3
74	3
75	2
76	3
77	2
78	3
79	4
80	4
81	2
82	5
83	2
84	5
85	3
86	2
87	3
88	2
89	2
90	3
91	4
92	3
93	2
94	4
95	2
96	3
97	3
98	2
99	4
100	2
101	3
102	3
103	2
104	2
105	3

n	a(n)
1	2
2	2
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	3
11	2
12	2
13	3
14	2
15	2
16	2
17	2
18	3
19	3
20	2
21	3
22	2
23	2
24	2
25	2
26	3
27	3
28	2
29	3
30	3
31	3
32	2
33	3
34	2
35	2
36	3
37	2
38	3
39	3
40	3
41	2
42	5
43	2
44	3
45	2
46	2
47	3
48	2
49	2
50	4
51	3
52	2
53	3
54	3
55	3
56	3
57	2
58	3
59	2
60	3
61	5
62	2
63	3
64	2
65	2
66	4
67	2
68	3
69	2
70	2
71	4
72	3
73	3
74	3
75	2
76	3
77	2
78	3
79	4
80	4
81	2
82	5
83	2
84	5
85	3
86	2
87	3
88	2
89	2
90	3
91	4
92	3
93	2
94	4
95	2
96	3
97	3
98	2
99	4
100	2
101	3
102	3
103	2
104	2
105	3

n	a(n)
1	2
2	2
3	2
4	2
5	2
6	2
7	2
8	2
9	2
10	3
11	2
12	2
13	3
14	2
15	2
16	2
17	2
18	3
19	3
20	2
21	3
22	2
23	2
24	2
25	2
26	3
27	3
28	2
29	3
30	3
31	3
32	2
33	3
34	2
35	2
36	3
37	2
38	3
39	3
40	3
41	2
42	5
43	2
44	3
45	2
46	2
47	3
48	2
49	2
50	4
51	3
52	2
53	3
54	3
55	3
56	3
57	2
58	3
59	2
60	3
61	5
62	2
63	3
64	2
65	2
66	4
67	2
68	3
69	2
70	2
71	4
72	3
73	3
74	3
75	2
76	3
77	2
78	3
79	4
80	4
81	2
82	5
83	2
84	5
85	3
86	2
87	3
88	2
89	2
90	3
91	4
92	3
93	2
94	4
95	2
96	3
97	3
98	2
99	4
100	2
101	3
102	3
103	2
104	2
105	3