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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.

A255981 a(n) = greatest number of edges in a simple polygon on an n X n grid with no two edges parallel.

Table of values

n	a(n)
2	3
3	5
4	8
5	12
6	17

List of values

[3, 5, 8, 12, 17]

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

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