Number of (2+1)X(n+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

A251802

Number of (2+1)X(n+1) 0..3 arrays with no 2X2 subblock having x11-x00 less than x10-x01.

Terms

    a(0) =1740a(1) =28932a(2) =348679a(3) =3352272a(4) =27291608a(5) =195753488a(6) =1271711747a(7) =7634258216a(8) =42987423526a(9) =229660644080

External references