A051753 - OEIS

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A051753

Number of n X n (-1,0,1)-matrices having maximum determinant (=A003433(n)).

1, 4, 240, 384, 30720 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`This count includes equivalent matrices.`
	LINKS	`Table of n, a(n) for n=1..5.` `Eric Weisstein's World of Mathematics, Hadamard's Maximum Determinant Problem` `Eric Weisstein's World of Mathematics, (-1, 0, 1)-Matrix` `Index entries for sequences related to Hadamard matrices` `Index entries for sequences related to maximal determinants`
	CROSSREFS	`Cf. A003433.` `Sequence in context: A281614 A132551 A013953 * A094073 A137342 A152793` `Adjacent sequences: A051750 A051751 A051752 * A051754 A051755 A051756`
	KEYWORD	`nonn,more`
	AUTHOR	`Eric W. Weisstein`
	EXTENSIONS	`a(4) from Jud McCranie, Oct 15 2000` `a(5) from Giovanni Resta, Feb 20 2009`
	STATUS	`approved`

Last modified January 19 20:29 EST 2019. Contains 319310 sequences. (Running on oeis4.)