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A237556 Number of (n+1)X(7+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
290112, 6170564, 122961380, 3451915208, 121479741228, 4464911984580, 177367882314550, 6223767817742740, 238387023509175318, 9006193709550750320, 363431124962203117332, 12852857568078406893132, 494117552679221845659004 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A237557

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..202

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A235246 A215997 A237147 * A121742 A093792 A068241

Adjacent sequences:  A237553 A237554 A237555 * A237557 A237558 A237559

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 09 2014

STATUS

approved

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Last modified December 9 07:53 EST 2021. Contains 349627 sequences. (Running on oeis4.)