A255793 - OEIS

%I #5 Mar 06 2015 13:35:10

%S 70,166,158,200,286,214,344,766,342,616,2494,550,1160,9022,998,2216,

%T 34366,1798,4328,134206,3462,8488,530494,6598,16808,2109502,12998,

%U 33320,8413246,25414,66344,33603646,50502,132136,134316094,99910,263720

%N Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 2 and no row sum 0 and no column sum 3

%C Diagonal of A255801

%H R. H. Hardin, <a href="/A255793/b255793.txt">Table of n, a(n) for n = 1..43</a>

%e Some solutions for n=4

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

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

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

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

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

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

%Y Cf. A255801

%K nonn

%O 1,1

%A _R. H. Hardin_, Mar 06 2015