A209959 - OEIS

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A209959

Number of (n+1)X8 0..2 arrays with every 2X2 subblock having one, three or four distinct clockwise edge differences

18289737, 54603359537, 161711349015585, 479493044479186433, 1421470275154962255801, 4214142277487028096606145, 12493316536665519357482808705, 37037944370044063974355915754673 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 7 of A209960`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..210`
	EXAMPLE	`Some solutions for n=4` `..2..0..1..2..0..2..1..0....2..2..1..2..2..2..1..0....0..2..2..1..0..2..2..0` `..2..1..1..1..2..2..1..2....0..1..1..1..0..1..1..0....1..2..0..0..2..2..0..0` `..0..2..2..2..0..0..2..2....2..2..0..0..0..1..0..2....0..2..1..0..2..2..0..2` `..2..1..1..2..0..2..2..0....1..1..1..2..0..2..2..1....2..1..1..1..1..0..0..1` `..2..2..0..2..2..1..2..1....1..1..0..2..1..1..1..1....2..2..0..0..1..0..1..1`
	CROSSREFS	`Sequence in context: A073032 A222977 A203884 * A140171 A185854 A073033` `Adjacent sequences: A209956 A209957 A209958 * A209960 A209961 A209962`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Mar 16 2012`
	STATUS	`approved`

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Last modified May 20 04:51 EDT 2013. Contains 225448 sequences.