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A237381 Number of (n+1)X(5+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 1
27280, 455160, 7660840, 141627680, 2375768088, 39693722016, 680588692128, 12934636122240, 219580118935904, 3692772114256256, 64137636239898368, 1246751006045992448, 21365120289913813888, 360851292390185877504 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A237384

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

FORMULA

Empirical: a(n) = 487230*a(n-4) -96874832872*a(n-8) +10049955022453696*a(n-12) -573253988925348500864*a(n-16) +17038220734292882493998592*a(n-20) -206295313016077660067436834816*a(n-24) +5525442105707292677995972591616*a(n-28) -55027023762468144665997552386048*a(n-32) +62521104542558466945103995863040*a(n-36) for n>41

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A032746 A099230 A267706 * A109481 A328214 A234686

Adjacent sequences:  A237378 A237379 A237380 * A237382 A237383 A237384

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2014

STATUS

approved

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Last modified May 18 10:28 EDT 2022. Contains 353807 sequences. (Running on oeis4.)