Number of (n+1) X 4 0..6 arrays with every 2 X 2 subblock summing to 12.

A183666

Number of (n+1) X 4 0..6 arrays with every 2 X 2 subblock summing to 12.

Terms

    a(0) =6951a(1) =24745a(2) =100935a(3) =451801a(4) =2163831a(5) =10914505a(6) =57370215a(7) =311907001a(8) =1744391511a(9) =9994250665a(10) =58473101895a(11) =348467631001

External references