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A253997 Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal median plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Jan 21 2015 20:22:25

%S 222400,2136758,25361960,271991670,3087530706,36583132201,

%T 431011794558,5032480618482,59338976522704,700108553022880,

%U 8240317302122614,97069773060067528,1144201403386980008,13479910562119434692

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

%C Row 5 of A253993

%H R. H. Hardin, <a href="/A253997/b253997.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 21 2015

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Last modified April 24 03:08 EDT 2024. Contains 371918 sequences. (Running on oeis4.)