Number of n X n 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

A224385

Number of n X n 0..3 arrays with diagonals and antidiagonals unimodal and rows nondecreasing.

Terms

    a(0) =4a(1) =100a(2) =6094a(3) =497958a(4) =45648753a(5) =4364554008a(6) =424124440444

External references