A231189 - cp's OEIS frontend

A231189 Coefficients of the algebraic number 2sin(2Pi/n) in the power basis of Q(2*cos(Pi/q(n))), with q(n) = A225975(n), n >= 1.

n	a(n)
1	0
2	0
3	0
4	1
5	2
6	0
7	1
8	0
9	0
10	0
11	1
12	0
13	-3
14	0
15	1
16	0
17	0
18	0
19	1
20	0
21	5
22	0
23	-5
24	0
25	1
26	0
27	-3
28	0
29	1
30	0
31	-7
32	0
33	14
34	0
35	-7
36	0
37	1
38	0
39	0
40	1
41	0
42	9
43	0
44	-30
45	0
46	27
47	0
48	-9
49	0
50	1
51	0
52	0
53	0
54	5
55	0
56	-5
57	0
58	1
59	0
60	-7
61	0
62	22
63	0
64	-13
65	0
66	2
67	0
68	-3
69	0
70	1
71	0
72	13
73	0
74	-91
75	0
76	182
77	0
78	-156
79	0
80	65
81	0
82	-13
83	0
84	1
85	0
86	0
87	0
88	-4
89	0
90	5
91	0
92	-1
93	0
94	-15
95	0
96	140
97	0
98	-378
99	0
100	450
101	0
102	-275
103	0
104	90
105	0
106	-15
107	0
108	1
109	0
110	0
111	-1
112	1

[0, 0, 0, 1, 2, 0, 1, 0, 0, 0, 1, 0, -3, 0, 1, 0, 0, 0, 1, 0, 5, 0, -5, 0, 1, 0, -3, 0, 1, 0, -7, 0, 14, 0, -7, 0, 1, 0, 0, 1, 0, 9, 0, -30, 0, 27, 0, -9, 0, 1, 0, 0, 0, 5, 0, -5, 0, 1, 0, -7, 0, 22, 0, -13, 0, 2, 0, -3, 0, 1, 0, 13, 0, -91, 0, 182, 0, -156, 0, 65, 0, -13, 0, 1, 0, 0, 0, -4, 0, 5, 0, -1, 0, -15, 0, 140, 0, -378, 0, 450, 0, -275, 0, 90, 0, -15, 0, 1, 0, 0, -1, 1]

cp's OEIS Frontend

A231189 Coefficients of the algebraic number 2sin(2Pi/n) in the power basis of Q(2*cos(Pi/q(n))), with q(n) = A225975(n), n >= 1.

Table of values

List of values

cp's OEIS Frontend

A231189 Coefficients of the algebraic number 2*sin(2*Pi/n) in the power basis of Q(2*cos(Pi/q(n))), with q(n) = A225975(n), n >= 1.

Table of values

List of values

A231189 Coefficients of the algebraic number 2sin(2Pi/n) in the power basis of Q(2*cos(Pi/q(n))), with q(n) = A225975(n), n >= 1.