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A254558 Number of (6+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 #4 Feb 01 2015 12:29:54

%S 586508,1412248,3475823,9912158,22791266,64180262,174169154,449672470,

%T 1181178372,3178180769,8577622338,23374338451,63619374492,

%U 172838948499,469793624214,1279801193242,3487993255848,9516902005493,25974718805164

%N Number of (6+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 6 of A254553

%H R. H. Hardin, <a href="/A254558/b254558.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 01 2015

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Last modified April 24 18:17 EDT 2024. Contains 371962 sequences. (Running on oeis4.)