A237932 - OEIS

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A237932

Number of (n+1)X(2+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

1718, 19694, 228866, 2744048, 32465580, 383375880, 4542257982, 54067139244, 641031056118, 7590349989188, 90016555755486, 1069015366100190, 12678249163053274, 150277119869692568, 1782427688138307804 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Column 2 of A237936`
	LINKS	`R. H. Hardin, Table of n, a(n) for n = 1..210`
	EXAMPLE	`Some solutions for n=2` `..3..1..0....1..0..0....3..2..1....1..3..0....1..1..2....3..3..3....1..3..2` `..1..0..2....0..1..0....0..0..0....0..1..2....1..0..3....2..0..3....3..2..3` `..2..0..2....1..1..0....1..3..2....2..3..3....0..2..0....2..3..2....3..0..2`
	CROSSREFS	`Sequence in context: A068303 A212929 A252610 * A276458 A252857 A234906` `Adjacent sequences: A237929 A237930 A237931 * A237933 A237934 A237935`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Feb 16 2014`
	STATUS	`approved`

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Last modified November 24 04:46 EST 2020. Contains 338607 sequences. (Running on oeis4.)