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 A254556 Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I

%S 47140,128366,380406,1193965,3638432,11160591,32790229,92202169,

%T 251677983,676917833,1814981434,4893689293,13297063017,36436208384,

%U 100511846076,278663820410,775259097470,2161355734557,6034365782435

%N Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 4 of A254553

%H R. H. Hardin, <a href="/A254556/b254556.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 01 2015

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Last modified January 29 20:26 EST 2023. Contains 359926 sequences. (Running on oeis4.)