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A205244 Number of (n+1)X7 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors 0

%I

%S 677732,25443411,1334713506,60907844595,3053080325738,145542216126349,

%T 7109556887269900,344112922016013626,16763097381054518808

%N Number of (n+1)X7 0..2 arrays with the number of rightwards and downwards edge increases in each 2X2 subblock differing from the number in each of its horizontal and vertical neighbors

%C Column 6 of A205246

%e Some solutions for n=4

%e ..2..2..2..1..0..0..1....1..0..1..2..1..0..0....0..0..2..0..1..1..1

%e ..2..0..1..2..0..0..1....2..1..2..2..1..1..2....2..0..1..0..2..0..2

%e ..2..2..1..1..0..1..2....2..0..1..0..1..0..0....0..1..2..0..2..0..0

%e ..1..0..1..1..1..2..0....2..1..2..0..2..0..2....1..2..2..0..0..1..2

%e ..2..2..2..1..0..1..0....2..1..1..0..2..0..0....2..1..1..1..1..2..2

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 24 2012

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Last modified September 26 12:04 EDT 2021. Contains 347665 sequences. (Running on oeis4.)