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 A062379 n divided by largest 4th-power-free factor of n. 3
 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,16 LINKS Antti Karttunen, Table of n, a(n) for n = 1..10000 Henry Bottomley, Some Smarandache-type multiplicative sequences. FORMULA a(n) = n/A058035(n). Multiplicative with a(p^e) = p^max(e-3, 0). - Amiram Eldar, Sep 07 2020 MATHEMATICA f[p_, e_] := p^Max[e-3, 0]; a[n_] := Times @@ (f @@@ FactorInteger[n]); Array[a, 100] (* Amiram Eldar, Sep 07 2020 *) PROG (Scheme) (define (A062379 n) (/ n (A058035 n))) (define (A058035 n) (if (= 1 n) n (* (expt (A020639 n) (min 3 (A067029 n))) (A058035 (A028234 n))))) ;; Antti Karttunen, Sep 13 2017 CROSSREFS Cf. A000190, A000583, A008835, A053164, A053165, A053166, A053167, A056553, A056554, A056555, A058035. See A003557 for squares and A062378 for cubes. Sequence in context: A055229 A270419 A275216 * A325625 A043288 A057523 Adjacent sequences:  A062376 A062377 A062378 * A062380 A062381 A062382 KEYWORD nonn,mult AUTHOR Henry Bottomley, Jun 18 2001 STATUS approved

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Last modified April 11 16:12 EDT 2021. Contains 342886 sequences. (Running on oeis4.)