A237503 - OEIS

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A237503

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

81, 1724, 62031, 4882448, 785179913, 198237517632, 88843850463838, 85602787661410966 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,1`
	COMMENTS	`Diagonal of A237511`
	LINKS	`Table of n, a(n) for n=1..8.`
	EXAMPLE	`Some solutions for n=3` `..2..0..1..2....0..0..2..0....2..0..0..2....0..1..0..1....0..1..1..2` `..0..1..1..0....1..1..0..0....1..1..1..0....2..2..0..1....0..2..1..0` `..1..1..1..0....0..2..2..1....2..1..1..0....2..1..2..1....1..2..1..0` `..1..1..2..0....1..2..1..1....1..0..0..0....1..1..2..0....2..2..0..2`
	CROSSREFS	`Sequence in context: A107914 A050634 A065791 * A268974 A206677 A237091` `Adjacent sequences: A237500 A237501 A237502 * A237504 A237505 A237506`
	KEYWORD	`nonn`
	AUTHOR	`R. H. Hardin, Feb 08 2014`
	STATUS	`approved`

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Last modified April 1 06:57 EDT 2023. Contains 361673 sequences. (Running on oeis4.)