id:A131705 - OEIS Search Results

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Phi(binomial(2*n,n)*n^3).

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0, 1, 16, 144, 1536, 7200, 51840, 282240, 1474560, 7464960, 55296000, 200724480, 1051066368, 6167715840, 21459271680, 114960384000, 523197480960, 2214903398400, 9311791104000, 41500698624000, 183936614400000 (list; graph; listen)

	OFFSET	`0,3`
	MAPLE	`with(numtheory):with(combinat):a:=n->phi(binomial(2n, n)n^3): seq(a(n), n=0..22);`
	CROSSREFS	`Cf. A005429.` `Sequence in context: A000762 A086952 A077485 this_sequence A076029 A052388 A027651` `Adjacent sequences: A131702 A131703 A131704 this_sequence A131706 A131707 A131708`
	KEYWORD	`nonn`
	AUTHOR	`Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 07 2007`

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.

AT&T Labs Research