id:A167353 - OEIS Search Results

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Totally multiplicative sequence with a(p) = (p+1)*(p+3) = p^2+4p+3 for prime p.

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1, 15, 24, 225, 48, 360, 80, 3375, 576, 720, 168, 5400, 224, 1200, 1152, 50625, 360, 8640, 440, 10800, 1920, 2520, 624, 81000, 2304, 3360, 13824, 18000, 960, 17280, 1088, 759375, 4032, 5400, 3840, 129600, 1520, 6600, 5376, 162000, 1848, 28800 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`Multiplicative with a(p^e) = ((p+1)(p+3))^e. If n = Product p(k)^e(k) then a(n) = Product ((p(k)+1)(p(k)+3))^e(k). a(n) = A003959(n) * A166591(n).`
	CROSSREFS	`Sequence in context: A067343 A154150 A167709 this_sequence A120746 A106613 A102802` `Adjacent sequences: A167350 A167351 A167352 this_sequence A167354 A167355 A167356`
	KEYWORD	`nonn`
	AUTHOR	`Jaroslav Krizek (jaroslav.krizek(AT)atlas.cz), Nov 01 2009`

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Last modified March 11 00:12 EST 2010. Contains 173097 sequences.

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