A185806 - OEIS

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A185806

Number of (n+1)X9 0..3 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace

85438016, 847003638592, 3849846787713472, 21422296324609759008, 114404199665472905793216 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 8 of A185807`
	LINKS	`Table of n, a(n) for n=1..5.`
	EXAMPLE	`Some solutions for 3X9` `..0..0..0..0..3..2..0..3..0....0..0..0..0..1..0..0..0..1` `..0..0..0..0..0..0..1..1..1....0..0..0..0..0..0..1..1..1` `..0..0..0..0..0..0..1..0..3....0..0..0..0..0..0..0..3..3`
	CROSSREFS	`Sequence in context: A118079 A186091 A186922 * A115534 A138030 A104964` `Adjacent sequences: A185803 A185804 A185805 * A185807 A185808 A185809`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Feb 04 2011`
	STATUS	`approved`

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Last modified May 22 09:43 EDT 2013. Contains 225519 sequences.