A087315 - OEIS

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A087315

a(n) = Product prime(k)^prime(n-k+1), k = 1 to n.

1, 4, 72, 21600, 190512000, 580909190400000, 428616352408083840000000, 859278392084450410309036800000000000, 2097197194438629126172451944256706311040000000000000 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Table of n, a(n) for n=0..8.`
	EXAMPLE	`a(3) = 2^53^35^2 = 21600.`
	MAPLE	`seq(product(ithprime(k)^ithprime(a-k+1), k=1..a), a=1..10);`
	CROSSREFS	`Sequence in context: A024257 A152653 A172478 * A081460 A055556 A168299` `Adjacent sequences: A087312 A087313 A087314 * A087316 A087317 A087318`
	KEYWORD	`nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 03 2003`
	EXTENSIONS	`More terms from Jorge Coveiro (jorgecoveiro(AT)yahoo.com), Dec 22 2004` `Corrected by David Wasserman, May 02 2005`
	STATUS	`approved`

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Last modified May 25 07:27 EDT 2013. Contains 225646 sequences.