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 A253877 Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1

%I

%S 21426176,1689797632,111370158592,8407169495552,580087707480832,

%T 40954149283756544,2875255935248467200,201829672443656315648,

%U 14124070170784841294080,989446756729598826020096

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

%C Row 7 of A253871

%H R. H. Hardin, <a href="/A253877/b253877.txt">Table of n, a(n) for n = 1..38</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 ..1..0..0....0..0..0....1..0..0....1..0..0....0..0..0....1..0..0....1..0..0

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

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

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

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 17 2015

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Last modified November 29 02:51 EST 2022. Contains 358421 sequences. (Running on oeis4.)