A128503 - cp's OEIS frontend

A128503 Array for second (k=2) convolution of Chebyshev's S(n,x)=U(n,x/2) polynomials.

n	a(n)
0	1
1	3
2	6
3	-3
4	10
5	-12
6	15
7	-30
8	6
9	21
10	-60
11	30
12	28
13	-105
14	90
15	-10
16	36
17	-168
18	210
19	-60
20	45
21	-252
22	420
23	-210
24	15
25	55
26	-360
27	756
28	-560
29	105
30	66
31	-495
32	1260
33	-1260
34	420
35	-21
36	78
37	-660
38	1980
39	-2520
40	1260
41	-168
42	91
43	-858
44	2970
45	-4620
46	3150
47	-756
48	28
49	105
50	-1092
51	4290
52	-7920
53	6930
54	-2520
55	252
56	120
57	-1365

[1, 3, 6, -3, 10, -12, 15, -30, 6, 21, -60, 30, 28, -105, 90, -10, 36, -168, 210, -60, 45, -252, 420, -210, 15, 55, -360, 756, -560, 105, 66, -495, 1260, -1260, 420, -21, 78, -660, 1980, -2520, 1260, -168, 91, -858, 2970, -4620, 3150, -756, 28, 105, -1092, 4290, -7920, 6930, -2520, 252, 120, -1365]

cp's OEIS Frontend

A128503 Array for second (k=2) convolution of Chebyshev's S(n,x)=U(n,x/2) polynomials.

Table of values

List of values