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Number of (n+2)X(7+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 10:10:12

%S 2476716772,2276816656,640379355,168065296,140873790,194100624,

%T 298341960,465437476,732030024,1152059364,1817117950,2847396321,

%U 4458076344,6902618724,10661503972,16244012304,24669054520,36915473956,55041780794

%N Number of (n+2)X(7+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 7 of A258612

%H R. H. Hardin, <a href="/A258611/b258611.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

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

%Y Cf. A258612

%K nonn

%O 1,1

%A _R. H. Hardin_, Jun 05 2015