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 A099313 Exponent of greatest power of 3 dividing the smallest number having exactly n divisors. 5
 0, 0, 0, 1, 0, 1, 0, 1, 2, 1, 0, 1, 0, 1, 2, 1, 0, 2, 0, 1, 2, 1, 0, 2, 4, 1, 2, 1, 0, 2, 0, 1, 2, 1, 4, 2, 0, 1, 2, 1, 0, 2, 0, 1, 2, 1, 0, 2, 6, 4, 2, 1, 0, 2, 4, 1, 2, 1, 0, 2, 0, 1, 2, 3, 4, 2, 0, 1, 2, 4, 0, 2, 0, 1, 4, 1, 6, 2, 0, 3, 2, 1, 0, 2, 4, 1, 2, 1, 0, 2, 6, 1, 2, 1, 4, 2, 0, 6, 2, 4, 0, 2, 0, 1, 4 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,9 LINKS Antti Karttunen, Table of n, a(n) for n = 1..2000 (computed from the b-file of A005179 provided by Don Reble) FORMULA a(n) = A007949(A005179(n)). MATHEMATICA A005179 = Cases[Import["https://oeis.org/A005179/b005179.txt", "Table"], {_, _}][[All, 2]]; a[n_] := IntegerExponent[A005179[[n]], 3]; Array[a, 2000] (* Jean-François Alcover, Dec 10 2021 *) CROSSREFS Cf. A005179, A007949. Cf. A099314, A099311, A099315. Sequence in context: A159195 A265859 A271420 * A316491 A097468 A339975 Adjacent sequences: A099310 A099311 A099312 * A099314 A099315 A099316 KEYWORD nonn AUTHOR Reinhard Zumkeller, Oct 12 2004 EXTENSIONS More terms from Antti Karttunen, Oct 05 2017 STATUS approved

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Last modified May 18 03:43 EDT 2024. Contains 372618 sequences. (Running on oeis4.)