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.

A316659 Irregular triangle read by rows: row n consists of the coefficients in the expansion of the polynomial x*(x^2 - 2) + x*(((v - w)/2)^n + ((v + w)/2)^n), where v = 3 + 2*x and w = sqrt(5 + 4*x).

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 0
5 1
6 2
7 1
8 0
9 5
10 8
11 3
12 0
13 16
14 30
15 16
16 2
17 0
18 45
19 104
20 81
21 24
22 2
23 0
24 121
25 340
26 356
27 170
28 35
29 2
30 0
31 320
32 1068
33 1411
34 932
35 315
36 48
37 2
38 0
39 841
40 3262
41 5209
42 4396
43 2079
44 532
45 63
46 2
47 0
48 2205
49 9760
50 18281
51 18784
52 11440
53 4144
54 840
55 80
56 2
57 0
58 5776
59 28746

List of values

[0, 0, 0, 1, 0, 1, 2, 1, 0, 5, 8, 3, 0, 16, 30, 16, 2, 0, 45, 104, 81, 24, 2, 0, 121, 340, 356, 170, 35, 2, 0, 320, 1068, 1411, 932, 315, 48, 2, 0, 841, 3262, 5209, 4396, 2079, 532, 63, 2, 0, 2205, 9760, 18281, 18784, 11440, 4144, 840, 80, 2, 0, 5776, 28746]