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.

A136487 Coefficients of polynomial recursion p(n,x) = (x-1)*(p(n-1,x) - (x+1)*p(n-2,x)), p(0,x) = 1, p(1,x) = x+1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 1
5 -1
6 -1
7 -1
8 0
9 2
10 0
11 -1
12 2
13 0
14 -4
15 0
16 2
17 -3
18 2
19 7
20 -4
21 -5
22 2
23 1
24 5
25 -5
26 -11
27 11
28 7
29 -7
30 -1
31 1
32 -8
33 12
34 16
35 -28
36 -8
37 20
38 0
39 -4
40 13
41 -25
42 -20
43 60
44 -2
45 -46
46 12
47 12
48 -3
49 -1
50 -21
51 50
52 19
53 -120
54 38
55 92
56 -50
57 -24
58 15
59 2
60 -1

List of values

[1, 1, 1, 1, 1, -1, -1, -1, 0, 2, 0, -1, 2, 0, -4, 0, 2, -3, 2, 7, -4, -5, 2, 1, 5, -5, -11, 11, 7, -7, -1, 1, -8, 12, 16, -28, -8, 20, 0, -4, 13, -25, -20, 60, -2, -46, 12, 12, -3, -1, -21, 50, 19, -120, 38, 92, -50, -24, 15, 2, -1]