A089495 - cp's OEIS frontend

A089495 a(n) = mu(prime(n)+1), where mu is the Moebius function.

n	a(n)
1	-1
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	0
10	-1
11	0
12	1
13	-1
14	0
15	0
16	0
17	0
18	1
19	0
20	0
21	1
22	0
23	0
24	0
25	0
26	-1
27	0
28	0
29	-1
30	-1
31	0
32	0
33	-1
34	0
35	0
36	0
37	1
38	0
39	0
40	-1
41	0
42	-1
43	0
44	1
45	0
46	0
47	0
48	0
49	0
50	-1
51	0
52	0
53	0
54	0
55	-1
56	0
57	0
58	0
59	1
60	-1
61	0
62	0
63	0
64	0
65	1
66	-1
67	0
68	0
69	0
70	0
71	-1
72	0
73	0
74	-1
75	0
76	0
77	1
78	1
79	-1
80	-1
81	0
82	1
83	0
84	-1
85	0
86	0
87	0
88	1
89	1
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	1
98	0
99	0
100	1
101	0
102	0
103	0
104	1
105	0
106	0
107	0
108	0
109	0
110	-1
111	0
112	1
113	-1
114	0
115	0
116	-1
117	0
118	0

[-1, 0, 1, 0, 0, 1, 0, 0, 0, -1, 0, 1, -1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, -1, 0, 0, -1, -1, 0, 0, -1, 0, 0, 0, 1, 0, 0, -1, 0, -1, 0, 1, 0, 0, 0, 0, 0, -1, 0, 0, 0, 0, -1, 0, 0, 0, 1, -1, 0, 0, 0, 0, 1, -1, 0, 0, 0, 0, -1, 0, 0, -1, 0, 0, 1, 1, -1, -1, 0, 1, 0, -1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, -1, 0, 1, -1, 0, 0, -1, 0, 0]

cp's OEIS Frontend

A089495 a(n) = mu(prime(n)+1), where mu is the Moebius function.

Table of values

List of values

n	a(n)
1	-1
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	0
10	-1
11	0
12	1
13	-1
14	0
15	0
16	0
17	0
18	1
19	0
20	0
21	1
22	0
23	0
24	0
25	0
26	-1
27	0
28	0
29	-1
30	-1
31	0
32	0
33	-1
34	0
35	0
36	0
37	1
38	0
39	0
40	-1
41	0
42	-1
43	0
44	1
45	0
46	0
47	0
48	0
49	0
50	-1
51	0
52	0
53	0
54	0
55	-1
56	0
57	0
58	0
59	1
60	-1
61	0
62	0
63	0
64	0
65	1
66	-1
67	0
68	0
69	0
70	0
71	-1
72	0
73	0
74	-1
75	0
76	0
77	1
78	1
79	-1
80	-1
81	0
82	1
83	0
84	-1
85	0
86	0
87	0
88	1
89	1
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	1
98	0
99	0
100	1
101	0
102	0
103	0
104	1
105	0
106	0
107	0
108	0
109	0
110	-1
111	0
112	1
113	-1
114	0
115	0
116	-1
117	0
118	0

n	a(n)
1	-1
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	0
10	-1
11	0
12	1
13	-1
14	0
15	0
16	0
17	0
18	1
19	0
20	0
21	1
22	0
23	0
24	0
25	0
26	-1
27	0
28	0
29	-1
30	-1
31	0
32	0
33	-1
34	0
35	0
36	0
37	1
38	0
39	0
40	-1
41	0
42	-1
43	0
44	1
45	0
46	0
47	0
48	0
49	0
50	-1
51	0
52	0
53	0
54	0
55	-1
56	0
57	0
58	0
59	1
60	-1
61	0
62	0
63	0
64	0
65	1
66	-1
67	0
68	0
69	0
70	0
71	-1
72	0
73	0
74	-1
75	0
76	0
77	1
78	1
79	-1
80	-1
81	0
82	1
83	0
84	-1
85	0
86	0
87	0
88	1
89	1
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	1
98	0
99	0
100	1
101	0
102	0
103	0
104	1
105	0
106	0
107	0
108	0
109	0
110	-1
111	0
112	1
113	-1
114	0
115	0
116	-1
117	0
118	0

n	a(n)
1	-1
2	0
3	1
4	0
5	0
6	1
7	0
8	0
9	0
10	-1
11	0
12	1
13	-1
14	0
15	0
16	0
17	0
18	1
19	0
20	0
21	1
22	0
23	0
24	0
25	0
26	-1
27	0
28	0
29	-1
30	-1
31	0
32	0
33	-1
34	0
35	0
36	0
37	1
38	0
39	0
40	-1
41	0
42	-1
43	0
44	1
45	0
46	0
47	0
48	0
49	0
50	-1
51	0
52	0
53	0
54	0
55	-1
56	0
57	0
58	0
59	1
60	-1
61	0
62	0
63	0
64	0
65	1
66	-1
67	0
68	0
69	0
70	0
71	-1
72	0
73	0
74	-1
75	0
76	0
77	1
78	1
79	-1
80	-1
81	0
82	1
83	0
84	-1
85	0
86	0
87	0
88	1
89	1
90	0
91	0
92	0
93	0
94	0
95	0
96	0
97	1
98	0
99	0
100	1
101	0
102	0
103	0
104	1
105	0
106	0
107	0
108	0
109	0
110	-1
111	0
112	1
113	-1
114	0
115	0
116	-1
117	0
118	0