cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A053118 Triangle of coefficients of Chebyshev's U(n,x) polynomials (exponents in decreasing order).

Table of values

n a(n)
0 1
1 2
2 0
3 4
4 0
5 -1
6 8
7 0
8 -4
9 0
10 16
11 0
12 -12
13 0
14 1
15 32
16 0
17 -32
18 0
19 6
20 0
21 64
22 0
23 -80
24 0
25 24
26 0
27 -1
28 128
29 0
30 -192
31 0
32 80
33 0
34 -8
35 0
36 256
37 0
38 -448
39 0
40 240
41 0
42 -40
43 0
44 1
45 512
46 0
47 -1024
48 0
49 672
50 0
51 -160
52 0
53 10
54 0
55 1024
56 0
57 -2304
58 0
59 1792
60 0
61 -560
62 0
63 60
64 0
65 -1
66 2048
67 0
68 -5120
69 0
70 4608
71 0
72 -1792
73 0
74 280
75 0
76 -12
77 0
78 4096
79 0
80 -11264
81 0
82 11520
83 0
84 -5376

List of values

[1, 2, 0, 4, 0, -1, 8, 0, -4, 0, 16, 0, -12, 0, 1, 32, 0, -32, 0, 6, 0, 64, 0, -80, 0, 24, 0, -1, 128, 0, -192, 0, 80, 0, -8, 0, 256, 0, -448, 0, 240, 0, -40, 0, 1, 512, 0, -1024, 0, 672, 0, -160, 0, 10, 0, 1024, 0, -2304, 0, 1792, 0, -560, 0, 60, 0, -1, 2048, 0, -5120, 0, 4608, 0, -1792, 0, 280, 0, -12, 0, 4096, 0, -11264, 0, 11520, 0, -5376]