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 A166591 Totally multiplicative sequence with a(p) = p+3 for prime p. 16
 1, 5, 6, 25, 8, 30, 10, 125, 36, 40, 14, 150, 16, 50, 48, 625, 20, 180, 22, 200, 60, 70, 26, 750, 64, 80, 216, 250, 32, 240, 34, 3125, 84, 100, 80, 900, 40, 110, 96, 1000, 44, 300, 46, 350, 288, 130, 50, 3750, 100, 320, 120, 400, 56, 1080, 112, 1250, 132, 160 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA Multiplicative with a(p^e) = (p+3)^e. If n = Product p(k)^e(k) then a(n) = Product (p(k)+3)^e(k). PROG (PARI) a(n) = my(f=factor(n)); for (i=1, #f~, f[i, 1] += 3); factorback(f); \\ Michel Marcus, Jun 09 2014 CROSSREFS Sequence in context: A042027 A042283 A047186 * A160529 A039572 A033042 Adjacent sequences:  A166588 A166589 A166590 * A166592 A166593 A166594 KEYWORD nonn,mult AUTHOR Jaroslav Krizek, Oct 17 2009 EXTENSIONS More terms from Michel Marcus, Jun 09 2014 STATUS approved

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Last modified January 18 13:09 EST 2019. Contains 319271 sequences. (Running on oeis4.)