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A238080 Number of (n+1)X(7+1) 0..3 arrays with the maximum plus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 1
14349272, 831852752, 39928365220, 2220366275092, 146517793924666, 10041551776656136, 747061315866664736, 49595489178884317916, 3498270077544089978148, 246596323750056582153608 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A238081

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..17

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A204952 A210019 A111346 * A251009 A136608 A205413

Adjacent sequences:  A238077 A238078 A238079 * A238081 A238082 A238083

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 17 2014

STATUS

approved

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Last modified May 24 23:45 EDT 2020. Contains 334581 sequences. (Running on oeis4.)