A007423 - cp's OEIS frontend

A007423 a(n) = mu(n) + 1, where mu is the Moebius function.

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

[2, 0, 0, 1, 0, 2, 0, 1, 1, 2, 0, 1, 0, 2, 2, 1, 0, 1, 0, 1, 2, 2, 0, 1, 1, 2, 1, 1, 0, 0, 0, 1, 2, 2, 2, 1, 0, 2, 2, 1, 0, 0, 0, 1, 1, 2, 0, 1, 1, 1, 2, 1, 0, 1, 2, 1, 2, 2, 0, 1, 0, 2, 1, 1, 2, 0, 0, 1, 2, 0, 0, 1, 0, 2, 1, 1, 2, 0, 0, 1, 1, 2, 0, 1, 2, 2, 2, 1, 0, 1, 2, 1, 2, 2, 2, 1, 0, 1, 1, 1]

cp's OEIS Frontend

A007423 a(n) = mu(n) + 1, where mu is the Moebius function.

Table of values

List of values

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

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

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