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A253876 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #4 Jan 17 2015 09:49:33

%S 3825920,195774608,8536982016,423305690976,19275379654400,

%T 896906647300128,41030428849264384,1887413006979783456,

%U 86314166915619122688,3965384865347092708640,181806009134288305420032

%N Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 6 of A253871

%H R. H. Hardin, <a href="/A253876/b253876.txt">Table of n, a(n) for n = 1..133</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 17 2015

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Last modified July 14 19:43 EDT 2024. Contains 374323 sequences. (Running on oeis4.)