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 A254809 Number of (6+2) X (n+2) 0..1 arrays with every 3 X 3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally. 1

%I

%S 618856,1478353,3633517,11139423,34629826,96309005,253515215,

%T 546611324,1453718727,3872678172,10934893149,29405854211,82990838418,

%U 235773962736,678424563839,1952002735040,5593731744034,16092673783002,46146511621644

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

%C Row 6 of A254804.

%H R. H. Hardin, <a href="/A254809/b254809.txt">Table of n, a(n) for n = 1..122</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....1..0..0

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

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

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

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

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

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

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

%Y Cf. A254804.

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 08 2015

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Last modified March 26 02:13 EDT 2023. Contains 361529 sequences. (Running on oeis4.)