A070536 - cp's OEIS frontend

A070536 Number of terms in n-th cyclotomic polynomial minus largest prime factor of n; a(1)=1 by convention.

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

[1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 4, 0, 10, 0, 0, 0, 4, 0, 0, 2, 0, 0, 2, 0, 0, 0, 0, 0, 6, 0, 0, 0, 6, 0, 6, 0, 0, 2, 0, 0, 2, 0, 18, 4, 0, 0, 8, 10, 0, 0, 0, 0, 2, 0, 20, 4, 0, 0, 0, 0, 0, 2, 24, 0, 10, 0, 0, 2, 10, 0, 10, 0, 12, 0, 0, 0, 4, 0, 0, 6, 0, 0, 26]

cp's OEIS Frontend

A070536 Number of terms in n-th cyclotomic polynomial minus largest prime factor of n; a(1)=1 by convention.

Table of values

List of values

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

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

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