A028297 - cp's OEIS frontend

A028297 Coefficients of Chebyshev polynomials of the first kind: triangle of coefficients in expansion of cos(n*x) in descending powers of cos(x).

n	a(n)
0	1
1	1
2	2
3	-1
4	4
5	-3
6	8
7	-8
8	1
9	16
10	-20
11	5
12	32
13	-48
14	18
15	-1
16	64
17	-112
18	56
19	-7
20	128
21	-256
22	160
23	-32
24	1
25	256
26	-576
27	432
28	-120
29	9
30	512
31	-1280
32	1120
33	-400
34	50
35	-1
36	1024
37	-2816
38	2816
39	-1232
40	220
41	-11
42	2048
43	-6144
44	6912
45	-3584
46	840
47	-72
48	1
49	4096
50	-13312
51	16640
52	-9984

[1, 1, 2, -1, 4, -3, 8, -8, 1, 16, -20, 5, 32, -48, 18, -1, 64, -112, 56, -7, 128, -256, 160, -32, 1, 256, -576, 432, -120, 9, 512, -1280, 1120, -400, 50, -1, 1024, -2816, 2816, -1232, 220, -11, 2048, -6144, 6912, -3584, 840, -72, 1, 4096, -13312, 16640, -9984]

cp's OEIS Frontend

A028297 Coefficients of Chebyshev polynomials of the first kind: triangle of coefficients in expansion of cos(n*x) in descending powers of cos(x).

Table of values

List of values