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Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1

%I #4 Apr 22 2015 10:44:24

%S 150016,403951,1290910,4442466,12316842,39029574,121832476,359681533,

%T 1066288882,3126365543,8921825684,25527972436,72826289929,

%U 206321352365,583012447599,1642831496480,4611094251243,12910731728619,36064024641002

%N Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally

%C Row 5 of A257426

%H R. H. Hardin, <a href="/A257430/b257430.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

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

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

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

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

%Y Cf. A257426

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 22 2015