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.

A178103 Coefficient array of orthogonal polynomials P(n,x)=x*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1,P(1,x)=x.

Table of values

n a(n)
0 1
1 0
2 1
3 -1
4 0
5 1
6 0
7 -4
8 0
9 1
10 5
11 0
12 -9
13 0
14 1
15 0
16 33
17 0
18 -16
19 0
20 1
21 -45
22 0
23 114
24 0
25 -25
26 0
27 1
28 0
29 -408
30 0
31 290
32 0
33 -36
34 0
35 1
36 585
37 0
38 -1890
39 0
40 615
41 0
42 -49
43 0
44 1
45 0
46 6705
47 0
48 -6240
49 0
50 1155
51 0
52 -64
53 0
54 1
55 -9945
56 0
57 38835
58 0
59 -16695
60 0
61 1988
62 0
63 -81
64 0
65 1
66 0
67 -137340
68 0
69 157395
70 0

List of values

[1, 0, 1, -1, 0, 1, 0, -4, 0, 1, 5, 0, -9, 0, 1, 0, 33, 0, -16, 0, 1, -45, 0, 114, 0, -25, 0, 1, 0, -408, 0, 290, 0, -36, 0, 1, 585, 0, -1890, 0, 615, 0, -49, 0, 1, 0, 6705, 0, -6240, 0, 1155, 0, -64, 0, 1, -9945, 0, 38835, 0, -16695, 0, 1988, 0, -81, 0, 1, 0, -137340, 0, 157395, 0]