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A279187
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Maximal entry in row c of A279185, where c = n-th composite number A002808(n).
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4
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1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 2, 4, 1, 4, 2, 6, 2, 1, 1, 4, 1, 2, 2, 6, 2, 1, 2, 4, 2, 10, 1, 6, 4, 1, 2, 6, 4, 2, 6, 3, 1, 4, 2, 1, 2, 4, 1, 10, 2, 2, 6, 4, 6, 4, 2, 1, 18, 4, 2, 1, 6, 3, 4, 2, 2, 10, 4, 11, 6, 1, 6, 4, 4, 1, 2, 2, 12, 6, 4, 6, 2, 6, 10, 3, 2
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OFFSET
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1,4
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COMMENTS
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There are really two sequences that should be included if missing: the maximal entry in row c, and the LCM of the entries in row c.
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LINKS
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MAPLE
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end proc :
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MATHEMATICA
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T[n_, k_] := Module[{g, y, r}, If[k == 0, Return[1]]; y = n; g = GCD[k, y]; While[g > 1, y = y/g; g = GCD[k, y]]; If[y == 1, Return[1]]; r = MultiplicativeOrder[k, y]; r = r/2^IntegerExponent[r, 2]; If[r == 1, Return[1]]; MultiplicativeOrder[2, r]]; Composite[n_] := FixedPoint[n + PrimePi[#] + 1&, n + PrimePi[n] + 1];
a[n_] := a[n] = With[{c = Composite[n]}, Table[T[c, k], {k, 0, c-1}] // Max ];
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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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