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.

A081277 Square array of unsigned coefficients of Chebyshev polynomials of the first kind.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 3
5 2
6 1
7 5
8 8
9 4
10 1
11 7
12 18
13 20
14 8
15 1
16 9
17 32
18 56
19 48
20 16
21 1
22 11
23 50
24 120
25 160
26 112
27 32
28 1
29 13
30 72
31 220
32 400
33 432
34 256
35 64
36 1
37 15
38 98
39 364
40 840
41 1232
42 1120
43 576
44 128
45 1
46 17
47 128
48 560
49 1568
50 2912
51 3584
52 2816
53 1280
54 256
55 1
56 19
57 162
58 816
59 2688
60 6048
61 9408
62 9984
63 6912

List of values

[1, 1, 1, 1, 3, 2, 1, 5, 8, 4, 1, 7, 18, 20, 8, 1, 9, 32, 56, 48, 16, 1, 11, 50, 120, 160, 112, 32, 1, 13, 72, 220, 400, 432, 256, 64, 1, 15, 98, 364, 840, 1232, 1120, 576, 128, 1, 17, 128, 560, 1568, 2912, 3584, 2816, 1280, 256, 1, 19, 162, 816, 2688, 6048, 9408, 9984, 6912]