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A254023 Number of (4+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

%S 35272,98002,313324,1016249,2822619,8285305,21891465,45311405,

%T 99511731,212262805,420311170,809408485,1499859218,2686392762,

%U 4785009455,8471694767,14942735625,26383699968,46574601827,82391653961,146657010999

%N Number of (4+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 4 of A254020

%H R. H. Hardin, <a href="/A254023/b254023.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 22 2015

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Last modified May 18 10:28 EDT 2022. Contains 353807 sequences. (Running on oeis4.)