A228786 - cp's OEIS frontend

A228786 Table of coefficients of the minimal polynomials of 2*sin(Pi/n), n >= 1.

n	a(n)
1	0
2	1
3	-2
4	1
5	-3
6	0
7	1
8	-2
9	0
10	1
11	5
12	0
13	-5
14	0
15	1
16	-1
17	1
18	-7
19	0
20	14
21	0
22	-7
23	0
24	1
25	2
26	0
27	-4
28	0
29	1
30	-3
31	0
32	9
33	0
34	-6
35	0
36	1
37	-1
38	1
39	1
40	-11
41	0
42	55
43	0
44	-77
45	0
46	44
47	0
48	-11
49	0
50	1
51	1
52	0
53	-4
54	0
55	1
56	13
57	0
58	-91
59	0
60	182
61	0
62	-156
63	0
64	65
65	0
66	-13
67	0
68	1
69	1
70	-2
71	-1
72	1
73	1
74	0
75	-8
76	0
77	14
78	0
79	-7
80	0
81	1
82	2
83	0
84	-16
85	0
86	20
87	0
88	-8
89	0
90	1
91	17
92	0
93	-204
94	0
95	714
96	0
97	-1122
98	0
99	935
100	0
101	-442
102	0
103	119
104	0
105	-17
106	0
107	1
108	1
109	-3
110	0
111	1

[0, 1, -2, 1, -3, 0, 1, -2, 0, 1, 5, 0, -5, 0, 1, -1, 1, -7, 0, 14, 0, -7, 0, 1, 2, 0, -4, 0, 1, -3, 0, 9, 0, -6, 0, 1, -1, 1, 1, -11, 0, 55, 0, -77, 0, 44, 0, -11, 0, 1, 1, 0, -4, 0, 1, 13, 0, -91, 0, 182, 0, -156, 0, 65, 0, -13, 0, 1, 1, -2, -1, 1, 1, 0, -8, 0, 14, 0, -7, 0, 1, 2, 0, -16, 0, 20, 0, -8, 0, 1, 17, 0, -204, 0, 714, 0, -1122, 0, 935, 0, -442, 0, 119, 0, -17, 0, 1, 1, -3, 0, 1]

cp's OEIS Frontend

A228786 Table of coefficients of the minimal polynomials of 2*sin(Pi/n), n >= 1.

Table of values

List of values