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A237491 Number of (n+1)X(3+1) 0..3 arrays with the maximum plus the upper median minus the lower median minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
11960, 221512, 4248736, 82919944, 1621147104, 31641923080, 616331002428, 12011356925024, 234603565050504, 4580128895980528, 89230824433658628, 1738941638634259312, 33963912422435796628, 663075442863151557160 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A237494

LINKS

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

EXAMPLE

Some solutions for n=1

..3..1..1..1....0..0..1..2....3..0..1..0....3..1..0..3....0..2..1..2

..2..3..3..2....3..1..3..2....3..3..0..2....1..1..3..2....2..0..2..1

CROSSREFS

Sequence in context: A344629 A252948 A065701 * A235074 A251163 A236607

Adjacent sequences:  A237488 A237489 A237490 * A237492 A237493 A237494

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 08 2014

STATUS

approved

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Last modified July 5 05:47 EDT 2022. Contains 355087 sequences. (Running on oeis4.)