%I #4 Feb 14 2015 11:53:19
%S 36,189,1838,25413,554091,19198366,1018478173,83424236667,
%T 10600414554200,2073988286314137,624690506094584769,
%U 290291489884708296332,207973048180805421940626,229556436731155431563064899
%N Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1
%C Diagonal of A255101
%e Some solutions for n=4
%e ..1..1..1..1..1..1....1..1..1..1..1..1....1..1..1..1..1..1....1..1..0..1..1..1
%e ..0..1..1..1..1..1....1..1..1..1..1..0....0..0..0..0..0..0....1..0..1..1..1..1
%e ..1..1..1..0..1..1....1..1..1..0..1..1....1..1..1..1..1..1....0..1..1..1..1..1
%e ..1..1..1..1..1..0....1..1..1..1..1..1....1..1..1..1..1..1....1..1..1..1..0..1
%e ..0..1..1..1..0..1....1..1..1..1..1..1....1..1..1..1..1..1....1..1..1..1..1..1
%e ..1..1..1..0..1..1....1..1..1..1..0..1....1..1..1..1..1..0....1..1..1..1..1..1
%Y Cf. A255101
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 14 2015
|