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A291469
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The arithmetic function u(n,6,4).
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0
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21, 18, 15, 18, 21, 6, 7, 8, 9, 10, 11, 6, 13, 7, 15, 8, 17, 6, 19, 10, 7, 11, 21, 6, 21, 13, 9, 7, 21, 6, 21, 8, 11, 17, 7, 6, 21, 18, 13, 8, 21, 6, 21, 11, 9, 18, 21, 6, 7, 10, 15, 13, 21, 6, 11, 7, 15, 18, 21, 6, 21, 18, 7, 8, 13, 6, 21, 17, 15, 7
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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u[n_, m_, h_] := (d = Divisors[n]; Min[(h*Ceiling[m/d] - h + 1)*d]); Table[u[n, 6, 4], {n, 1, 70}]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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