A199255 - OEIS

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A199255

Number of nX7 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor

41, 14160, 2913528, 267827143, 340245592285, 186725016600685 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 7 of A199256`
	LINKS	`Table of n, a(n) for n=1..6.`
	EXAMPLE	`Some solutions for n=4` `..0..1..2..1..2..3..2....0..1..2..3..2..3..2....0..1..2..1..3..0..2` `..1..0..3..0..3..2..3....1..0..1..2..3..0..3....1..0..1..0..1..2..3` `..0..1..2..3..2..3..0....0..1..2..1..0..3..2....0..1..2..3..2..3..2` `..1..0..3..1..0..1..2....1..0..1..0..3..2..3....1..0..3..2..3..0..3`
	CROSSREFS	`Sequence in context: A208389 A208396 A106203 * A199200 A198602 A214338` `Adjacent sequences: A199252 A199253 A199254 * A199256 A199257 A199258`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Nov 04 2011`
	STATUS	`approved`

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Last modified May 25 23:56 EDT 2013. Contains 225650 sequences.