Number of (n+1) X 7 0..2 arrays with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

A183968

Number of (n+1) X 7 0..2 arrays with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

Terms

    a(0) =586791a(1) =53575889a(2) =5344196941a(3) =615149254565

External references