A207213 - OEIS

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A207213

Number of 7Xn 0..2 arrays avoiding the pattern z-1 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal

1440, 2073600, 1009600274, 500670359576, 261868042220093, 137715069370357544, 72904426459924759331 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Row 7 of A207208`
	LINKS	`Table of n, a(n) for n=1..7.`
	EXAMPLE	`Some solutions for n=4` `..0..1..1..0....1..1..0..1....2..2..1..0....0..2..2..1....1..0..0..2` `..0..1..2..1....1..1..0..1....0..1..2..1....1..2..2..1....1..1..1..0` `..0..0..0..0....0..0..0..0....0..1..0..0....2..0..1..1....0..1..0..0` `..0..2..2..0....2..1..0..0....2..0..0..0....2..1..1..0....0..0..0..2` `..0..1..0..2....1..2..2..0....0..2..0..2....1..0..0..2....2..2..2..0` `..2..2..2..2....2..1..2..2....1..2..2..2....1..2..0..2....0..0..2..1` `..1..2..2..2....2..0..0..2....0..2..2..0....0..2..2..2....2..1..2..0`
	CROSSREFS	`Sequence in context: A023102 A289633 A282330 * A207207 A206733 A207357` `Adjacent sequences: A207210 A207211 A207212 * A207214 A207215 A207216`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Feb 15 2012`
	STATUS	`approved`

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Last modified March 27 22:47 EDT 2023. Contains 361575 sequences. (Running on oeis4.)