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A236788 Number of (n+1)X(7+1) 0..2 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal 1
87685, 1877803, 35115362, 921870137, 20959676762, 570994921148, 13954220420440, 381997662373953, 9693750016048779, 265834347414393328, 6919237130844947124, 190407164917036276036, 5056659263666556736772 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A236789

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A118899 A253340 A232674 * A183658 A234442 A204508

Adjacent sequences:  A236785 A236786 A236787 * A236789 A236790 A236791

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 31 2014

STATUS

approved

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Last modified January 22 07:31 EST 2022. Contains 350481 sequences. (Running on oeis4.)