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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.

A332609 Maximum number of edges in any cell in the graph formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares).

Table of values

n a(n)
1 4
2 4
3 5
4 5
5 5
6 6
7 5
8 6
9 8
10 6
11 6
12 6
13 6
14 6
15 6
16 6
17 6
18 7
19 6
20 6
21 6
22 6
23 6
24 6
25 6
26 6
27 6
28 6
29 6
30 6
31 6
32 6
33 6
34 6
35 6
36 6
37 6
38 6
39 6
40 6
41 6
42 6
43 6
44 6
45 6
46 6
47 6
48 6
49 6
50 6
51 6
52 6
53 6
54 6
55 6
56 6
57 6
58 6
59 6
60 6
61 6
62 6
63 6
64 6
65 6
66 6
67 6

List of values

[4, 4, 5, 5, 5, 6, 5, 6, 8, 6, 6, 6, 6, 6, 6, 6, 6, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6]

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

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