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A166636 Totally multiplicative sequence with a(p) = 6*(p-1) for prime p. 0
1, 6, 12, 36, 24, 72, 36, 216, 144, 144, 60, 432, 72, 216, 288, 1296, 96, 864, 108, 864, 432, 360, 132, 2592, 576, 432, 1728, 1296, 168, 1728, 180, 7776, 720, 576, 864, 5184, 216, 648, 864, 5184, 240, 2592, 252, 2160, 3456, 792, 276, 15552, 1296, 3456 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

Multiplicative with a(p^e) = (6*(p-1))^e. If n = Product p(k)^e(k) then a(n) = Product (6*(p(k)-1)^e(k). a(n) = A165827(n) * A003958(n) = 6^bigomega(n) * A003958(n) = 6^A001222(n) * A003958(n).

CROSSREFS

Sequence in context: A122608 A196992 A192029 * A167338 A078402 A127845

Adjacent sequences:  A166633 A166634 A166635 * A166637 A166638 A166639

KEYWORD

nonn,mult

AUTHOR

Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Oct 18 2009

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.