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.

A351129 Number of regions in a regular n-gon with all diagonals drawn whose edges all have the same number of facing edges.

Table of values

n a(n)
3 1
4 0
5 1
6 0
7 1
8 8
9 1
10 0
11 1
12 132
13 66
14 56
15 46
16 144
17 171
18 576
19 305
20 620
21 652
22 616
23 852
24 1296
25 1376
26 1482
27 1891
28 1820
29 2379
30 4530
31 3163
32 3328
33 3532
34 4046
35 4656
36 4896
37 6661
38 6460
39 7411
40 7560
41 9595
42 11676
43 10923
44 13552
45 10936
46 13294
47 14806
48 17232
49 17935
50 17200
51 20452
52 20540
53 24964
54 27270

List of values

[1, 0, 1, 0, 1, 8, 1, 0, 1, 132, 66, 56, 46, 144, 171, 576, 305, 620, 652, 616, 852, 1296, 1376, 1482, 1891, 1820, 2379, 4530, 3163, 3328, 3532, 4046, 4656, 4896, 6661, 6460, 7411, 7560, 9595, 11676, 10923, 13552, 10936, 13294, 14806, 17232, 17935, 17200, 20452, 20540, 24964, 27270]