A123583 - cp's OEIS frontend

A123583 Triangle read by rows: T(n, k) is the coefficient of x^k in the polynomial 1 - T_n(x)^2, where T_n(x) is the n-th Chebyshev polynomial of the first kind.

n	a(n)
0	0
1	1
2	0
3	-1
4	0
5	0
6	4
7	0
8	-4
9	1
10	0
11	-9
12	0
13	24
14	0
15	-16
16	0
17	0
18	16
19	0
20	-80
21	0
22	128
23	0
24	-64
25	1
26	0
27	-25
28	0
29	200
30	0
31	-560
32	0
33	640
34	0
35	-256
36	0
37	0
38	36
39	0
40	-420
41	0
42	1792
43	0
44	-3456
45	0
46	3072
47	0
48	-1024
49	1
50	0
51	-49
52	0
53	784
54	0
55	-4704
56	0
57	13440
58	0
59	-19712
60	0
61	14336
62	0
63	-4096

[0, 1, 0, -1, 0, 0, 4, 0, -4, 1, 0, -9, 0, 24, 0, -16, 0, 0, 16, 0, -80, 0, 128, 0, -64, 1, 0, -25, 0, 200, 0, -560, 0, 640, 0, -256, 0, 0, 36, 0, -420, 0, 1792, 0, -3456, 0, 3072, 0, -1024, 1, 0, -49, 0, 784, 0, -4704, 0, 13440, 0, -19712, 0, 14336, 0, -4096]

cp's OEIS Frontend

A123583 Triangle read by rows: T(n, k) is the coefficient of x^k in the polynomial 1 - T_n(x)^2, where T_n(x) is the n-th Chebyshev polynomial of the first kind.

Table of values

List of values