A087073 - cp's OEIS frontend

A087073 Mobius transform of A051664, the number of nonzero terms in the n-th cyclotomic polynomial.

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

[2, 0, 1, 0, 3, 0, 5, 0, 0, 0, 9, 0, 11, 0, 1, 0, 15, 0, 17, 0, 1, 0, 21, 0, 0, 0, 0, 0, 27, 0, 29, 0, 3, 0, 7, 0, 35, 0, 3, 0, 39, 0, 41, 0, 0, 0, 45, 0, 0, 0, 5, 0, 51, 0, 3, 0, 5, 0, 57, 0, 59, 0, 0, 0, 15, 0, 65, 0, 7, 0, 69, 0, 71, 0, 0, 0, 15, 0, 77, 0, 0, 0, 81, 0, 21, 0, 9, 0, 87, 0, 5, 0, 9, 0, 9]

cp's OEIS Frontend

A087073 Mobius transform of A051664, the number of nonzero terms in the n-th cyclotomic polynomial.

Table of values

List of values

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

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

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