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A291363
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The arithmetic function u(n,2,8).
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1
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9, 2, 3, 2, 5, 2, 7, 2, 3, 2, 9, 2, 9, 2, 3, 2, 9, 2, 9, 2, 3, 2, 9, 2, 5, 2, 3, 2, 9, 2, 9, 2, 3, 2, 5, 2, 9, 2, 3, 2, 9, 2, 9, 2, 3, 2, 9, 2, 7, 2, 3, 2, 9, 2, 5, 2, 3, 2, 9, 2, 9, 2, 3, 2, 5, 2, 9, 2, 3, 2, 9, 2, 9, 2, 3, 2, 7, 2, 9, 2, 3, 2, 9, 2, 5, 2, 3, 2, 9, 2, 7, 2, 3, 2, 5, 2, 9, 2, 3, 2, 9, 2, 9, 2, 3
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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, 2, 8], {n, 1, 70}]
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PROG
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(PARI) A291363(n, m=2, h=8) = { my(p=0, k); fordiv(n, d, k = d*(h*ceil(m/d) - h + 1); if(!p || (k < p), p = k)); (p); }; \\ Antti Karttunen, Oct 01 2018
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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