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A253965 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Jan 20 2015 20:57:32

%S 423232,7777096,168988280,3624943928,77993064012,1716319825801,

%T 37588952737932,823924594489729,18029663254294928,394861463882197545,

%U 8642552874627011912,189232920220642268701,4141851308037155724044

%N Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 5 of A253961

%H R. H. Hardin, <a href="/A253965/b253965.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 20 2015

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Last modified April 19 05:19 EDT 2024. Contains 371782 sequences. (Running on oeis4.)