id:A080775 - OEIS Search Results

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Number of n X n monomial matrices whose nonzero entries are unit Hurwitz quaternions.

+0
1

1, 24, 1152, 82944, 7962624, 955514880, 137594142720, 23115815976960, 4438236667576320, 958659120196485120, 230078188847156428800, 60740641855649297203200, 17493304854426997594521600, 5457911114581223249490739200, 1833858134499291011828888371200, 660188928419744764258399813632000 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = 24^n*n!.`
	CROSSREFS	`Cf. A000165, A047053, A051189.` `Sequence in context: A130552 A114051 A010562 this_sequence A090675 A042107 A042104` `Adjacent sequences: A080772 A080773 A080774 this_sequence A080776 A080777 A080778`
	KEYWORD	`nonn`
	AUTHOR	`Artur Jasinski (grafix(AT)csl.pl), Mar 11 2003`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research