A327815 - cp's OEIS frontend

A327815 Number of irreducible factors in the factorization of the n-th cyclotomic polynomial over GF(7) (counted with multiplicity).

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

[1, 1, 2, 1, 1, 2, 6, 2, 2, 1, 1, 2, 1, 6, 2, 4, 1, 2, 6, 2, 12, 1, 1, 4, 5, 1, 2, 6, 4, 2, 2, 4, 2, 1, 6, 2, 4, 6, 2, 4, 1, 12, 7, 2, 2, 1, 2, 8, 42, 5, 2, 2, 2, 2, 2, 12, 12, 4, 2, 4, 1, 2, 12, 4, 4, 2, 1, 2, 2, 6, 1, 4, 3, 4, 10, 6, 6, 2, 1, 8, 2, 1, 2, 12, 4, 7, 8, 4, 1, 2]

cp's OEIS Frontend

A327815 Number of irreducible factors in the factorization of the n-th cyclotomic polynomial over GF(7) (counted with multiplicity).

Table of values

List of values

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

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

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