A203388 - OEIS

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A203388

Number of nX7 0..6 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors

1, 86156, 1678700434, 10639041328647, 61265314914283103 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	COMMENTS	`Column 7 of A203389`
	LINKS	`Table of n, a(n) for n=1..5.`
	EXAMPLE	`Some solutions for n=4` `..4..4..2..2..0..4..4....4..4..3..3..0..4..4....0..5..5..5..4..5..5` `..4..6..6..2..5..5..4....6..6..3..4..4..4..4....5..5..5..6..6..5..5` `..4..6..6..3..5..5..2....6..6..3..4..5..5..4....5..0..4..6..6..5..3` `..0..1..1..0..0..0..0....5..5..0..0..5..5..0....5..5..5..5..0..0..0`
	CROSSREFS	`Sequence in context: A184212 A179575 A186065 * A206657 A104961 A216257` `Adjacent sequences: A203385 A203386 A203387 * A203389 A203390 A203391`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Jan 01 2012`
	STATUS	`approved`

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Last modified May 24 11:53 EDT 2013. Contains 225620 sequences.