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.

A255237 Array of conversion coefficients for the minimal polynomials C of 2 cos(Pi/n) in terms of Chebyshev's S-polynomials.

Table of values

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

List of values

[1, 2, 1, 0, 1, -1, 1, -1, 0, 1, 0, -1, 1, -2, 0, 1, 0, 0, -1, 1, 0, 0, -1, 0, 1, -1, -1, 0, 1, 2, 0, -2, 0, 1, 0, 0, 0, 0, -1, 1, -1, 0, -1, 0, 1, 0, 0, 0, 0, 0, -1, 1, -2, 0, 2, 0, -2, 0, 1, -1, -2, -1, 1, 1]