login
Number of (6+2)X(n+2) 0..1 arrays with each row divisible by 5 and column not divisible by 5, read as a binary number with top and left being the most significant bits.
0

%I #3 Oct 02 2015 08:17:55

%S 0,41616,1873728,207296448,42425454480,8709248924880,1641428592655104

%N Number of (6+2)X(n+2) 0..1 arrays with each row divisible by 5 and column not divisible by 5, read as a binary number with top and left being the most significant bits.

%C Row 6 of A262795.

%e Some solutions for n=2

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

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

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

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

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

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

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

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

%Y Cf. A262795.

%K nonn

%O 1,2

%A _R. H. Hardin_, Oct 02 2015