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Number of (n+2)X(4+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum
1

%I #4 Jun 05 2015 10:08:07

%S 6056521,16806958,20602521,26101881,42003361,87260319,168065296,

%T 336081087,600593049,1104953167,1878008896,3265742205,5334257296,

%U 8852106046,13973131264,22289465664,34154366481,52671100026,78627524836

%N Number of (n+2)X(4+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum

%C Column 4 of A258612

%H R. H. Hardin, <a href="/A258608/b258608.txt">Table of n, a(n) for n = 1..210</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..1..0..1

%e ..1..0..0..2..2..1....1..1..1..2..1..0....0..1..2..1..0..2....0..1..1..0..2..1

%e ..0..0..0..1..0..1....0..0..0..0..1..2....0..0..0..2..0..2....0..1..0..2..1..2

%Y Cf. A258612

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 05 2015