A262486 - OEIS

%I #3 Sep 24 2015 07:50:19

%S 20,63,245,2699,33742,364259,3810228,45013100

%N Number of (n+3)X(5+3) 0..1 arrays with each row and column divisible by 13, read as a binary number with top and left being the most significant bits.

%C Column 5 of A262488.

%e Some solutions for n=4

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

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

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

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

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

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

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

%Y Cf. A262488.

%K nonn

%O 1,1

%A _R. H. Hardin_, Sep 24 2015