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A257208 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically 1

%I #4 Apr 18 2015 08:23:55

%S 616608,992467,729311,1140763,958492,675943,848628,1025500,1197017,

%T 1484651,1806573,2155273,2551405,3016791,3558516,4160683,4814887,

%U 5553807,6369827,7256231,8227854,9283499,10430813,11681467,13036214,14490345

%N Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically

%C Column 7 of A257209

%H R. H. Hardin, <a href="/A257208/b257208.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A257209

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 18 2015

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Last modified March 29 03:51 EDT 2024. Contains 371264 sequences. (Running on oeis4.)