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Number of (n+2)X(6+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 08:53:52

%S 330684,1041135,4825736,9831933,12286621,20148566,19349729,30191085,

%T 44348914,64717222,103395368,166180222,266021084,423283057,677562838,

%U 1080294232,1710519015,2690622153,4203208172,6519031723,10019794318

%N Number of (n+2)X(6+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 6 of A256904

%H R. H. Hardin, <a href="/A256902/b256902.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A256904

%K nonn

%O 1,1

%A _R. H. Hardin_, Apr 12 2015