A183313 - OEIS

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A183313

Number of n X n binary arrays with an element zero only if there are an even number of ones to its left and an even number of ones above it

2, 6, 43, 480, 11385, 455509, 35629548, 4963103592, 1301324910599, 621440459491278, 550719742223029437, 895987628972185952650, 2692063790042095644897446, 14888067283069842424203964441 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A183322`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..17`
	EXAMPLE	`Some solutions for 6X6` `..0..0..0..0..0..0....0..0..0..0..0..0....1..1..0..0..0..0....0..0..0..0..0..0` `..0..1..1..0..0..0....0..0..0..1..1..0....1..1..0..0..0..0....0..0..0..0..0..0` `..0..1..1..1..1..1....1..1..0..1..1..0....0..0..0..0..0..1....0..0..0..1..1..0` `..1..1..0..1..1..1....1..1..1..1..0..1....1..1..0..0..0..1....0..1..1..1..1..1` `..1..1..1..1..1..1....1..1..1..1..1..1....1..1..0..0..0..1....1..1..1..1..1..1` `..0..1..1..1..1..1....1..1..0..1..1..0....1..1..1..1..1..1....1..1..0..1..1..1`
	CROSSREFS	`Sequence in context: A091241 A198076 A330675 * A066863 A296828 A135815` `Adjacent sequences: A183310 A183311 A183312 * A183314 A183315 A183316`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Jan 03 2011`
	STATUS	`approved`

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Last modified December 7 05:10 EST 2023. Contains 367629 sequences. (Running on oeis4.)