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A090183
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a(n) = Mod[10-Mod[Prime[n+3],10],4]-Mod[n,4]+3
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0
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5, 2, 3, 6, 3, 4, 1, 4, 5, 2, 3, 6, 5, 2, 1, 6, 3, 4, 1, 6, 3, 4, 1, 6, 5, 2, 3, 6, 3, 4, 1, 4, 3, 4, 3, 6, 5, 2, 1, 4, 5, 4, 1, 4, 5, 4, 1, 6, 3, 2, 1, 6, 5, 2, 1, 6, 3, 4, 3, 6, 3, 4, 3, 4, 5, 4, 1, 6, 3, 4, 3, 4, 5, 2, 3, 4, 3, 2, 1, 4, 5, 2, 3, 4, 5, 2, 3, 6, 3, 4, 1, 4, 5, 2, 1, 6, 3, 4, 3, 6, 3, 2, 3, 6, 5
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OFFSET
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3,1
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COMMENTS
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A coding of the primes {1,3,7,9} digits using mode using modulo four as a pretransform.
This coding loses one degree of freedom in the process.
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LINKS
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Table of n, a(n) for n=3..107.
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MATHEMATICA
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digits=200 Table[Mod[10-Mod[Prime[n+3], 10], 4]-Mod[n, 4]+3, {n, 1, digits}]
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CROSSREFS
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Sequence in context: A097078 A021195 A019673 * A063572 A205294 A131567
Adjacent sequences: A090180 A090181 A090182 * A090184 A090185 A090186
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KEYWORD
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nonn
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AUTHOR
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Roger L. Bagula, Jan 20 2004
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STATUS
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approved
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