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A190013
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An optimal 2-radius sequence over a (2p)-element alphabet for p = 5.
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0
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0, 1, 3, 0, 2, 4, 1, 3, 0, 2, 4, 1, 2, 3, 4, 0, 1, 2, 3, 4, 0, 0, 2, 2, 3, 3, 4, 4, 1, 1
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OFFSET
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1,3
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COMMENTS
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Constructed on p. 21 of Jaromczyk. Let k be a positive integer. A sequence s over an n-element alphabet A is called a k-radius sequence if every two symbols from A occur in s at distance of at most k. Generalizes Ghosh, 1975.
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CROSSREFS
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KEYWORD
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nonn,fini,full
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AUTHOR
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STATUS
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approved
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