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A254025 Number of (6+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I #6 Feb 10 2015 07:53:15

%S 404672,774662,1467412,3145824,5870794,12820652,28891318,56477396,

%T 113129593,220625749,417272461,791192226,1462692894,2614134427,

%U 4635774152,8118042503,14024453614,24146030293,41379984370,70509225090

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

%C Row 6 of A254020

%H R. H. Hardin, <a href="/A254025/b254025.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..1....0..0..1....0..0..1....0..0..1....0..0..0

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 22 2015

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)