A077600 - cp's OEIS frontend

A077600 Number of real roots for the n-th Moebius polynomial, M(n,x), which satisfies M(n,-1)=mu(n) the Moebius function of n.

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

[0, 1, 2, 3, 2, 3, 2, 5, 4, 3, 2, 5, 4, 3, 4, 5, 4, 5, 2, 5, 4, 3, 2, 7, 6, 5, 6, 5, 4, 5, 4, 7, 4, 5, 4, 7, 6, 5, 6, 7, 4, 5, 4, 5, 6, 5, 4, 7, 6, 7, 6, 5, 4, 7, 4, 5, 4, 5, 4, 7, 6, 5, 8, 7, 6, 5, 6, 9, 6, 5, 4, 9, 8, 5, 8, 9, 4, 5, 4, 7, 8, 7, 4, 7, 6, 7, 6, 7, 4, 9, 4, 7, 8, 5, 6, 7, 6, 9, 8]

cp's OEIS Frontend

A077600 Number of real roots for the n-th Moebius polynomial, M(n,x), which satisfies M(n,-1)=mu(n) the Moebius function of n.

Table of values

List of values

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

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

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