id:A066407 - OEIS Search Results

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Number of orthogonal arrays OA(6,n,2,1).

+0
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0, 0, 2880, 109440, 2753280, 60249600, 1249274880, 25351280640, 509998510080, 10223941017600, 204671339642880, 4094969962659840, 81911756682362880, 1638334041381273600, 32767472282735738880, 655355778068620247040 (list; graph; listen)

	OFFSET	`1,3`
	REFERENCES	`J.-Z. Zhang, Z.-S. You and Z.-L. Li, Enumeration of binary orthogonal arrays of strength 1, Discrete Math., 239 (2000), 191-198.`
	FORMULA	`2^n(10^n-154^n+45*2^n-40).`
	CROSSREFS	`Sequence in context: A101999 A066174 A134856 this_sequence A035895 A035775 A107571` `Adjacent sequences: A066404 A066405 A066406 this_sequence A066408 A066409 A066410`
	KEYWORD	`nonn`
	AUTHOR	`njas, Dec 25 2001`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research