|
%I #3 Sep 18 2015 07:57:56
%S 15,225,3375,19149,132085,1268613,15745355,207996061,2776066899,
%T 32535702325,394514821729,5068827771793,67745934989151,921161771883969
%N Number of (n+3)X(4+3) 0..1 arrays with each row and column divisible by 9, read as a binary number with top and left being the most significant bits.
%C Column 4 of A262338.
%e Some solutions for n=4
%e ..0..1..0..0..1..0..0....0..1..1..0..1..1..0....0..1..1..0..1..1..0
%e ..0..1..1..1..1..1..1....0..1..1..0..1..1..0....0..1..1..0..1..1..0
%e ..0..0..0..0..0..0..0....1..1..1..1..1..1..0....1..1..1..1..1..1..0
%e ..1..1..0..1..1..0..0....0..1..0..0..1..0..0....0..1..0..1..1..0..1
%e ..0..1..1..1..1..1..1....0..1..1..0..1..1..0....0..1..1..0..1..1..0
%e ..0..0..0..0..0..0..0....1..1..0..1..1..0..0....1..1..0..1..1..0..0
%e ..1..0..0..1..0..0..0....0..0..1..0..0..1..0....0..0..1..1..0..1..1
%Y Cf. A262338.
%K nonn
%O 1,1
%A _R. H. Hardin_, Sep 18 2015
| 