A334431 - cp's OEIS frontend

A334431 Irregular triangle read by rows: T(m,k) gives the coefficients of x^k of the minimal polynomials of (2cos(Pi/(2m)))^2, for m >= 1.

n	a(n)
1	0
2	1
3	-2
4	1
5	-3
6	1
7	2
8	-4
9	1
10	5
11	-5
12	1
13	1
14	-4
15	1
16	-7
17	14
18	-7
19	1
20	2
21	-16
22	20
23	-8
24	1
25	-3
26	9
27	-6
28	1
29	1
30	-12
31	19
32	-8
33	1
34	-11
35	55
36	-77
37	44
38	-11
39	1
40	1
41	-16
42	20
43	-8
44	1

[0, 1, -2, 1, -3, 1, 2, -4, 1, 5, -5, 1, 1, -4, 1, -7, 14, -7, 1, 2, -16, 20, -8, 1, -3, 9, -6, 1, 1, -12, 19, -8, 1, -11, 55, -77, 44, -11, 1, 1, -16, 20, -8, 1]

cp's OEIS Frontend

A334431 Irregular triangle read by rows: T(m,k) gives the coefficients of x^k of the minimal polynomials of (2cos(Pi/(2m)))^2, for m >= 1.

Table of values

List of values

n	a(n)
1	0
2	1
3	-2
4	1
5	-3
6	1
7	2
8	-4
9	1
10	5
11	-5
12	1
13	1
14	-4
15	1
16	-7
17	14
18	-7
19	1
20	2
21	-16
22	20
23	-8
24	1
25	-3
26	9
27	-6
28	1
29	1
30	-12
31	19
32	-8
33	1
34	-11
35	55
36	-77
37	44
38	-11
39	1
40	1
41	-16
42	20
43	-8
44	1

n	a(n)
1	0
2	1
3	-2
4	1
5	-3
6	1
7	2
8	-4
9	1
10	5
11	-5
12	1
13	1
14	-4
15	1
16	-7
17	14
18	-7
19	1
20	2
21	-16
22	20
23	-8
24	1
25	-3
26	9
27	-6
28	1
29	1
30	-12
31	19
32	-8
33	1
34	-11
35	55
36	-77
37	44
38	-11
39	1
40	1
41	-16
42	20
43	-8
44	1

cp's OEIS Frontend

A334431 Irregular triangle read by rows: T(m,k) gives the coefficients of x^k of the minimal polynomials of (2*cos(Pi/(2*m)))^2, for m >= 1.

Table of values

List of values

A334431 Irregular triangle read by rows: T(m,k) gives the coefficients of x^k of the minimal polynomials of (2cos(Pi/(2m)))^2, for m >= 1.

n	a(n)
1	0
2	1
3	-2
4	1
5	-3
6	1
7	2
8	-4
9	1
10	5
11	-5
12	1
13	1
14	-4
15	1
16	-7
17	14
18	-7
19	1
20	2
21	-16
22	20
23	-8
24	1
25	-3
26	9
27	-6
28	1
29	1
30	-12
31	19
32	-8
33	1
34	-11
35	55
36	-77
37	44
38	-11
39	1
40	1
41	-16
42	20
43	-8
44	1