A188413 - OEIS

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A188413

Number of (6*n) X 6 binary arrays with rows in nonincreasing order, n ones in every column and no more than 3 ones in any row.

166, 17443, 968230, 33313408, 793369090, 14100262412, 197263686098, 2259540285524, 21835069296894, 182229535192536 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 6 of A188416.`
	LINKS	`Table of n, a(n) for n=1..10.`
	EXAMPLE	`Some solutions for 12 X 6` `..1..1..0..0..0..0....1..0..0..0..0..0....1..1..0..0..0..0....1..0..0..0..0..0` `..1..0..0..1..1..0....1..0..0..0..0..0....1..0..0..0..0..0....1..0..0..0..0..0` `..0..1..1..0..0..0....0..1..1..0..1..0....0..1..0..1..0..1....0..1..0..0..0..1` `..0..0..1..0..0..0....0..1..0..1..0..1....0..0..1..0..1..1....0..1..0..0..0..0` `..0..0..0..1..0..1....0..0..1..0..1..0....0..0..1..0..1..0....0..0..1..1..0..0` `..0..0..0..0..1..0....0..0..0..1..0..0....0..0..0..1..0..0....0..0..1..0..1..0` `..0..0..0..0..0..1....0..0..0..0..0..1....0..0..0..0..0..0....0..0..0..1..0..1` `..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..1..0` `..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0` `..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0` `..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0` `..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0`
	CROSSREFS	`Cf. A188416.` `Sequence in context: A144380 A204963 A011815 * A144929 A281934 A212325` `Adjacent sequences: A188410 A188411 A188412 * A188414 A188415 A188416`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Mar 30 2011`
	STATUS	`approved`

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Last modified March 31 21:40 EDT 2023. Contains 361673 sequences. (Running on oeis4.)