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

%I #4 Apr 12 2015 08:55:12

%S 914320,2401667,9929098,14332984,12230530,19349729,20860406,34612866,

%T 56629422,96884013,164216100,280399415,479288812,810631770,1364127314,

%U 2275767628,3760495718,6152622928,9960095836,15954540794,25284758668

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

%C Column 7 of A256904

%H R. H. Hardin, <a href="/A256903/b256903.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A256904

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 12 2015