A184150 - OEIS

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A184150

1/4 the number of (n+1)X7 0..3 arrays with every 2X2 subblock having at least two equal elements connected horizontally or vertically

8544883, 23019453235, 59956202692285, 156962462690881921, 410618317896670998877, 1074317319424680321399811, 2810726734347901488302111479, 7353703264467632594839577120701 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 6 of A184153`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..27`
	EXAMPLE	`Some solutions for 3X7 with a(1,1)=0` `..0..0..0..0..1..0..2....0..0..0..0..1..2..0....0..0..0..0..3..0..0` `..0..0..0..0..3..0..1....0..0..0..0..3..3..0....0..0..0..0..3..0..0` `..0..0..0..0..2..0..1....0..0..0..1..1..1..0....0..0..0..0..2..0..3`
	CROSSREFS	`Sequence in context: A203824 A081639 A141137 * A236450 A237074 A345616` `Adjacent sequences: A184147 A184148 A184149 * A184151 A184152 A184153`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin Jan 09 2011`
	STATUS	`approved`

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Last modified February 1 17:37 EST 2023. Contains 359993 sequences. (Running on oeis4.)