A184152 - OEIS

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A184152

1/4 the number of (n+1)X9 0..3 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically

1119511003, 26652142523719, 608216983453837129, 13967039613166010435737, 320461324635255992201246287, 7353703264467632594839577120701 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 8 of A184153`
	LINKS	`Table of n, a(n) for n=1..6.`
	EXAMPLE	`Some solutions for 3X9 with a(1,1)=0` `..0..0..0..0..0..0..2..1..1....0..0..0..0..0..0..0..0..3` `..0..0..0..0..0..0..2..1..3....0..0..0..0..0..0..0..0..2` `..0..0..0..0..0..3..2..3..3....0..0..0..0..0..3..0..1..1`
	CROSSREFS	`Sequence in context: A034650 A035525 A337487 * A296534 A133191 A050290` `Adjacent sequences: A184149 A184150 A184151 * A184153 A184154 A184155`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Jan 09 2011`
	STATUS	`approved`

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Last modified March 20 18:36 EDT 2023. Contains 361391 sequences. (Running on oeis4.)