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A237411 Number of (n+1) X (7+1) 0..2 arrays with the maximum plus the upper median plus the minimum of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. 1
354008, 6627450, 125750824, 3029315052, 74740595664, 1668740442760, 36546653191142, 842126502478880, 19674093304667730, 447934704016463420, 10135886871027538506, 232015073246807414804, 5340726310335786917066 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A237412.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..25

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A050515 A179709 A186217 * A235980 A169806 A203876

Adjacent sequences:  A237408 A237409 A237410 * A237412 A237413 A237414

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 07 2014

STATUS

approved

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Last modified May 17 18:55 EDT 2021. Contains 343987 sequences. (Running on oeis4.)