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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.

A342843 a(n) is the number of edges of the regular polygon such that packing n nonoverlapping equal circles inside the regular polygon gives the highest packing density. a(n) = 0 if such a regular polygon is a circle.

Table of values

n a(n)
1 0
2 4
3 3
4 4
5 5
6 3
7 6
8 7
9 4
10 3
11 9
12 6
13 10
14 6
15 3
16 4

List of values

[0, 4, 3, 4, 5, 3, 6, 7, 4, 3, 9, 6, 10, 6, 3, 4]

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

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