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.

A152063 Triangle read by rows. Coefficients of the Fibonacci product polynomials F(n) = Product_{k=1..(n - 1)/2} (1 + 4*cos^2(k*Pi/n)).

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 1
6 3
7 1
8 5
9 5
10 1
11 6
12 8
13 1
14 8
15 19
16 13
17 1
18 9
19 25
20 21
21 1
22 11
23 42
24 65
25 34
26 1
27 12
28 51
29 90
30 55
31 1
32 14
33 74
34 183
35 210
36 89
37 1
38 15
39 86
40 234
41 300
42 144
43 1
44 17
45 115
46 394
47 717
48 654
49 233
50 6
51 18
52 130
53 480
54 951
55 954
56 377
57 1
58 20
59 165
60 725
61 1825
62 2622
63 1985
64 610
65 1
66 21
67 183
68 855

List of values

[1, 1, 1, 2, 1, 3, 1, 5, 5, 1, 6, 8, 1, 8, 19, 13, 1, 9, 25, 21, 1, 11, 42, 65, 34, 1, 12, 51, 90, 55, 1, 14, 74, 183, 210, 89, 1, 15, 86, 234, 300, 144, 1, 17, 115, 394, 717, 654, 233, 6, 18, 130, 480, 951, 954, 377, 1, 20, 165, 725, 1825, 2622, 1985, 610, 1, 21, 183, 855]