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A237376 Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 0
81, 2064, 104248, 11767448, 2375768088, 940730849096, 766079297989600, 1929455276182592448 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Diagonal of A237384

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=3

..1..1..0..0....1..2..1..0....1..2..2..2....1..2..0..2....0..2..0..2

..1..0..1..2....0..2..1..1....0..1..2..2....0..0..2..1....1..2..0..1

..1..2..0..1....1..1..1..1....2..0..1..2....2..0..1..0....1..2..1..2

..0..0..0..2....1..2..2..1....1..1..1..0....0..1..2..0....1..1..0..2

CROSSREFS

Sequence in context: A037211 A238237 A282861 * A296577 A237316 A237722

Adjacent sequences:  A237373 A237374 A237375 * A237377 A237378 A237379

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2014

STATUS

approved

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Last modified January 24 01:05 EST 2020. Contains 331178 sequences. (Running on oeis4.)