A087519 - OEIS

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A087519

Number of arrangements of 1..n^2 in n X n array with one local minimum and one local maximum.

1, 16, 3584, 58566144 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`Neighbors of a cell are only considered in the X and Y directions.`
	EXAMPLE	`For n=2, 12 has one local max. whereas 13 has two local maxima` `........ 34 and one local min. ....... 42 and two local minima`
	CROSSREFS	`Cf. A087518.` `Sequence in context: A049030 A051551 A003773 * A060616 A016936 A013721` `Adjacent sequences: A087516 A087517 A087518 * A087520 A087521 A087522`
	KEYWORD	`nonn,nice`
	AUTHOR	`R. H. Hardin (rhhardin(AT)att.net), Oct 23 2003`

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Last modified February 15 11:03 EST 2012. Contains 205763 sequences.