Half the number of (n+1)X5 0..3 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

A183975

Half the number of (n+1)X5 0..3 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

Terms

    a(0) =64976a(1) =2735260a(2) =124987628a(3) =6533126804a(4) =347446206704

External references