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A237555 Number of (n+1)X(6+1) 0..2 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
72736, 1181206, 16373120, 343405228, 7491413632, 184415543478, 4464911984580, 111924132471320, 2597291507415400, 65416086570517240, 1602242351028977720, 40340735111124499642, 939379996101215178816, 23659034340372219007032 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A237557

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A238151 A234243 A260053 * A186047 A252333 A161730

Adjacent sequences:  A237552 A237553 A237554 * A237556 A237557 A237558

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 09 2014

STATUS

approved

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Last modified April 20 18:45 EDT 2021. Contains 343137 sequences. (Running on oeis4.)