A327818 - cp's OEIS frontend

A327818 Square array read by ascending antidiagonals: T(n,m) is the number of irreducible factors in the factorization of the m-th cyclotomic polynomial over GF(k), k = A246655(n) (counted with multiplicity).

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

[1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 1, 4, 2, 1, 4, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 2, 1, 4, 6, 1, 1, 1, 2, 1, 2, 1, 6, 2, 2, 1, 1, 1, 1, 2, 2, 4, 2, 6, 2, 1, 2, 2, 2, 1, 1, 1, 2, 1, 1, 2, 4, 2, 4, 2, 2, 1]

cp's OEIS Frontend

A327818 Square array read by ascending antidiagonals: T(n,m) is the number of irreducible factors in the factorization of the m-th cyclotomic polynomial over GF(k), k = A246655(n) (counted with multiplicity).

Table of values

List of values

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

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

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