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A166590 Totally multiplicative sequence with a(p) = p+2 for prime p. +0
17
1, 4, 5, 16, 7, 20, 9, 64, 25, 28, 13, 80, 15, 36, 35, 256, 19, 100, 21, 112, 45, 52, 25, 320, 49, 60, 125, 144, 31, 140, 33, 1024, 65, 76, 63, 400, 39, 84, 75, 448, 43, 180, 45, 208, 175, 100, 49, 1280, 81, 196 (list; graph; listen)
OFFSET

1,2

FORMULA

Multiplicative with a(p^e) = (p+2))^e. If n = Product p(k)^e(k) then a(n) = Product (p(k)+2)^e(k).

CROSSREFS

Sequence in context: A051721 A050226 A119562 this_sequence A085768 A166304 A078713

Adjacent sequences: A166587 A166588 A166589 this_sequence A166591 A166592 A166593

KEYWORD

nonn

AUTHOR

Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Oct 17 2009

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Last modified December 17 13:29 EST 2009. Contains 170826 sequences.


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