Number of nX4 0..3 arrays with rows and columns in nondecreasing order.

A184124

Number of nX4 0..3 arrays with rows and columns in nondecreasing order.

Terms

    a(0) =35a(1) =2861a(2) =276427a(3) =21907055a(4) =1361812470a(5) =68564445616

External references