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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.

A300552 Number of 4-cycles in the n-polygon diagonal intersection graph.

Table of values

n a(n)
3 0
4 5
5 10
6 24
7 35
8 80
9 90
10 170
11 220
12 420
13 364
14 644
15 780
16 1120
17 1139
18 1854
19 1748
20 2580
21 2898
22 3916
23 3450
24 6072
25 5350
26 7046
27 7398
28 10024
29 10063
30 14250
31 13795
32 16608
33 16566
34 21114
35 21595
36 26316
37 26640
38 32718
39 32370
40 39520
41 38622
42 52416
43 47558
44 56232
45 57240

List of values

[0, 5, 10, 24, 35, 80, 90, 170, 220, 420, 364, 644, 780, 1120, 1139, 1854, 1748, 2580, 2898, 3916, 3450, 6072, 5350, 7046, 7398, 10024, 10063, 14250, 13795, 16608, 16566, 21114, 21595, 26316, 26640, 32718, 32370, 39520, 38622, 52416, 47558, 56232, 57240]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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