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.

A178120 Coefficient array of orthogonal polynomials P(n,x)=(x-2n)*P(n-1,x)-(2n-3)*P(n-2,x), P(0,x)=1,P(1,x)=x-2.

Table of values

n a(n)
0 1
1 -2
2 1
3 7
4 -6
5 1
6 -36
7 40
8 -12
9 1
10 253
11 -326
12 131
13 -20
14 1
15 -2278
16 3233
17 -1552
18 324
19 -30
20 1
21 25059
22 -38140
23 20678
24 -5260
25 675
26 -42
27 1
28 -325768
29 523456
30 -310560
31 90754
32 -14380
33 1252
34 -56
35 1
36 4886521
37 -8205244
38 5223602
39 -1694244
40 312059
41 -33866
42 2135
43 -72
44 1

List of values

[1, -2, 1, 7, -6, 1, -36, 40, -12, 1, 253, -326, 131, -20, 1, -2278, 3233, -1552, 324, -30, 1, 25059, -38140, 20678, -5260, 675, -42, 1, -325768, 523456, -310560, 90754, -14380, 1252, -56, 1, 4886521, -8205244, 5223602, -1694244, 312059, -33866, 2135, -72, 1]