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 A254810 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I

%S 2201616,5237645,12325478,33038951,91512698,238103801,434785178,

%T 1088826673,3089894442,8868325562,25015224842,68790853067,

%U 193737960982,539777647627,1550563296566,4305193215622,11937331297902,32765831702614

%N Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 7 of A254804

%H R. H. Hardin, <a href="/A254810/b254810.txt">Table of n, a(n) for n = 1..53</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....0..0..0....1..0..0....1..0..0....0..0..0....0..0..1....1..0..1

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 08 2015

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Last modified March 22 13:50 EDT 2023. Contains 361430 sequences. (Running on oeis4.)