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.

A365094 Triangle read by rows: T(n,k) is the number of n-sided cycles with the property that one makes k turns to the right while following its edges.

Table of values

n a(n)
3 1
4 0
5 0
6 1
7 1
8 0
9 4
10 0
11 1
12 2
13 5
14 5
15 5
16 5
17 2
18 9
19 12
20 21
21 36
22 21
23 12
24 9
25 31
26 49
27 147
28 133
29 133
30 147
31 49
32 31
33 128
34 328
35 652
36 792
37 1240
38 792
39 652
40 328
41 128
42 708
43 1719
44 3717
45 6735
46 7281
47 7281
48 6735
49 3717
50 1719
51 708
52 4015
53 10320
54 28585
55 43780
56 58120
57 73240
58 58120
59 43780
60 28585
61 10320
62 4015

List of values

[1, 0, 0, 1, 1, 0, 4, 0, 1, 2, 5, 5, 5, 5, 2, 9, 12, 21, 36, 21, 12, 9, 31, 49, 147, 133, 133, 147, 49, 31, 128, 328, 652, 792, 1240, 792, 652, 328, 128, 708, 1719, 3717, 6735, 7281, 7281, 6735, 3717, 1719, 708, 4015, 10320, 28585, 43780, 58120, 73240, 58120, 43780, 28585, 10320, 4015]