A201378 - OEIS

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A201378

Number of nXn 0..1 arrays with rows and columns lexicographically nondecreasing and the instance counts of every value within one of each other

2, 3, 19, 121, 7148, 326650, 175765510, 74872992399, 400292326222730, 1748923742658486631 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A201384`
	LINKS	`Table of n, a(n) for n=1..10.`
	EXAMPLE	`Some solutions for n=5` `..0..0..0..0..1....0..0..0..1..1....0..0..0..1..1....0..0..0..0..0` `..0..0..1..1..0....0..0..0..1..1....0..0..1..0..0....0..1..1..1..1` `..0..1..1..1..0....0..0..1..0..1....0..1..0..0..0....1..0..0..0..1` `..1..0..0..1..1....0..1..1..0..1....0..1..1..0..1....1..0..0..0..1` `..1..0..1..1..0....1..0..0..1..1....1..1..1..1..1....1..0..1..1..1`
	CROSSREFS	`Sequence in context: A141508 A119344 A072877 * A032329 A219285 A066227` `Adjacent sequences: A201375 A201376 A201377 * A201379 A201380 A201381`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Nov 30 2011`
	STATUS	`approved`

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Last modified May 25 18:22 EDT 2013. Contains 225648 sequences.