Number of (n+2)X3 0..3 arrays with no 2X2 subblock sum equal to any diagonal or antidiagonal neighbor 2X2 subblock sum.

A187674

Number of (n+2)X3 0..3 arrays with no 2X2 subblock sum equal to any diagonal or antidiagonal neighbor 2X2 subblock sum.

Terms

    a(0) =192960a(1) =9136352a(2) =433713824a(3) =20581985952a(4) =976666568320

External references