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A166665 Totally multiplicative sequence with a(p) = 7p+1 for prime p. 0
1, 15, 22, 225, 36, 330, 50, 3375, 484, 540, 78, 4950, 92, 750, 792, 50625, 120, 7260, 134, 8100, 1100, 1170, 162, 74250, 1296, 1380, 10648, 11250, 204, 11880, 218, 759375, 1716, 1800, 1800, 108900, 260, 2010, 2024, 121500, 288, 16500, 302, 17550 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

FORMULA

Multiplicative with a(p^e) = (7p+1)^e. If n = Product p(k)^e(k) then a(n) = Product (7*p(k)+1)^e(k).

CROSSREFS

Sequence in context: A018889 A186525 A065728 * A014312 A129387 A171167

Adjacent sequences:  A166662 A166663 A166664 * A166666 A166667 A166668

KEYWORD

nonn,mult

AUTHOR

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

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Last modified February 17 19:13 EST 2012. Contains 206085 sequences.