Number of nX4 0..3 arrays with every row and column running average nondecreasing rightwards and downwards.

A201212

Number of nX4 0..3 arrays with every row and column running average nondecreasing rightwards and downwards.

Terms

    a(0) =51a(1) =867a(2) =11932a(3) =146946a(4) =1692945a(5) =18624423a(6) =198262359a(7) =2055746385a(8) =20869314255a(9) =208139081237

External references