A166653 - OEIS

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A166653

Totally multiplicative sequence with a(p) = 4p-1 for prime p.

1, 7, 11, 49, 19, 77, 27, 343, 121, 133, 43, 539, 51, 189, 209, 2401, 67, 847, 75, 931, 297, 301, 91, 3773, 361, 357, 1331, 1323, 115, 1463, 123, 16807, 473, 469, 513, 5929, 147, 525, 561, 6517, 163, 2079, 171, 2107, 2299, 637, 187, 26411, 729, 2527 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	FORMULA	`Multiplicative with a(p^e) = (4p-1)^e. If n = Product p(k)^e(k) then a(n) = Product (4*p(k)-1)^e(k).`
	CROSSREFS	`Sequence in context: A086828 A117392 A105867 * A057290 A003599 A018508` `Adjacent sequences: A166650 A166651 A166652 * A166654 A166655 A166656`
	KEYWORD	`nonn,mult`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Oct 18 2009`

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Last modified February 16 10:07 EST 2012. Contains 205904 sequences.