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.

A136689 Triangular sequence of q-Fibonacci polynomials for s=3: F(x,n) = x*F(x,n-1) + s*F(x,n-2).

Table of values

n a(n)
1 1
2 0
3 1
4 3
5 0
6 1
7 0
8 6
9 0
10 1
11 9
12 0
13 9
14 0
15 1
16 0
17 27
18 0
19 12
20 0
21 1
22 27
23 0
24 54
25 0
26 15
27 0
28 1
29 0
30 108
31 0
32 90
33 0
34 18
35 0
36 1
37 81
38 0
39 270
40 0
41 135
42 0
43 21
44 0
45 1
46 0
47 405
48 0
49 540
50 0
51 189
52 0
53 24
54 0
55 1
56 243
57 0
58 1215
59 0
60 945
61 0
62 252
63 0
64 27
65 0
66 1
67 0
68 1458
69 0
70 2835
71 0
72 1512
73 0

List of values

[1, 0, 1, 3, 0, 1, 0, 6, 0, 1, 9, 0, 9, 0, 1, 0, 27, 0, 12, 0, 1, 27, 0, 54, 0, 15, 0, 1, 0, 108, 0, 90, 0, 18, 0, 1, 81, 0, 270, 0, 135, 0, 21, 0, 1, 0, 405, 0, 540, 0, 189, 0, 24, 0, 1, 243, 0, 1215, 0, 945, 0, 252, 0, 27, 0, 1, 0, 1458, 0, 2835, 0, 1512, 0]