Number of (n+1) X 3 0..6 arrays with every 2 X 2 subblock summing to 12.

A183665

Number of (n+1) X 3 0..6 arrays with every 2 X 2 subblock summing to 12.

Terms

    a(0) =1225a(1) =5215a(2) =24745a(3) =126223a(4) =678265a(5) =3791935a(6) =21874825a(7) =129463663a(8) =782782105a(9) =4819857055a(10) =30146536105a(11) =191148081103

External references