A265589 - OEIS

%I #3 Dec 10 2015 07:52:57

%S 79,905458,12404184853,206165131815361,3709776935879243730,

%T 92334819800503933084773,2623991628036170878043044661,

%U 61332200596161876440123819530360

%N Number of nX6 0..n*6-1 arrays with upper left zero and lower right n*6-1 and each element differing from its horizontal and antidiagonal neighbors by a power of two.

%C Column 6 of A265590.

%e Some solutions for n=1

%e ..0..2..3..1..3..5....0..2..4..0..4..5....0..2..3..4..3..5....0..1..3..4..3..5

%Y Cf. A265590.

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 10 2015