A140883 - cp's OEIS frontend

A140883 Triangle T(n,k) = A053120(n,k)+A053120(n,n-k) of symmetrized Chebyshev coefficients, read by rows, 0<=k<=n.

n	a(n)
0	2
1	1
2	1
3	1
4	0
5	1
6	4
7	-3
8	-3
9	4
10	9
11	0
12	-16
13	0
14	9
15	16
16	5
17	-20
18	-20
19	5
20	16
21	31
22	0
23	-30
24	0
25	-30
26	0
27	31
28	64
29	-7
30	-112
31	56
32	56
33	-112
34	-7
35	64
36	129
37	0
38	-288
39	0
40	320
41	0
42	-288
43	0
44	129
45	256
46	9
47	-576
48	-120
49	432
50	432
51	-120
52	-576
53	9
54	256
55	511
56	0
57	-1230
58	0
59	720
60	0
61	720
62	0
63	-1230
64	0
65	511

[2, 1, 1, 1, 0, 1, 4, -3, -3, 4, 9, 0, -16, 0, 9, 16, 5, -20, -20, 5, 16, 31, 0, -30, 0, -30, 0, 31, 64, -7, -112, 56, 56, -112, -7, 64, 129, 0, -288, 0, 320, 0, -288, 0, 129, 256, 9, -576, -120, 432, 432, -120, -576, 9, 256, 511, 0, -1230, 0, 720, 0, 720, 0, -1230, 0, 511]

cp's OEIS Frontend

A140883 Triangle T(n,k) = A053120(n,k)+A053120(n,n-k) of symmetrized Chebyshev coefficients, read by rows, 0<=k<=n.

Table of values

List of values