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.

A067154 Number of heptagonal regions in regular n-gon with all diagonals drawn.

Table of values

n a(n)
7 1
8 0
9 0
10 0
11 0
12 0
13 0
14 0
15 15
16 0
17 17
18 18
19 57
20 0
21 21
22 44
23 115
24 0
25 150
26 104
27 81
28 112
29 116
30 0
31 155
32 224
33 429
34 306
35 560
36 180
37 555
38 836
39 663
40 640
41 1025
42 378
43 1419
44 660
45 1710
46 1564
47 1786
48 1200
49 2352
50 1050
51 2754
52 2236
53 2597
54 2700
55 3410
56 2240
57 3078
58 3190
59 4602
60 1860
61 5551
62 4898
63 6363
64 5056
65 8515
66 4950

List of values

[1, 0, 0, 0, 0, 0, 0, 0, 15, 0, 17, 18, 57, 0, 21, 44, 115, 0, 150, 104, 81, 112, 116, 0, 155, 224, 429, 306, 560, 180, 555, 836, 663, 640, 1025, 378, 1419, 660, 1710, 1564, 1786, 1200, 2352, 1050, 2754, 2236, 2597, 2700, 3410, 2240, 3078, 3190, 4602, 1860, 5551, 4898, 6363, 5056, 8515, 4950]