# Golomb Rulers

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A Golomb ruler is a rod of minimal integer length with marks so that all distances between marks are distinct. Some distances may be missed. For a perfect Golomb ruler, all the distances are distinct and none are missed; the longest one is {0,1,4,6}.

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Contributed by: Ed Pegg Jr (August 25)

Open content licensed under CC BY-NC-SA

## Details

References:

[1] Wikipedia. "Golomb Ruler." (Jun 27, 2023) en.wikipedia.org/wiki/Golomb_ruler.

[2] T. Rokicki and G. Dogon. "Possibly Optimal Golomb Rulers Calculated for 160 to 40,000 Marks." (Jun 27, 2023) cube20.org/golomb.

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