Number of nX4 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

A223957

Number of nX4 0..3 arrays with antidiagonals unimodal and rows and diagonals nondecreasing.

Terms

    a(0) =35a(1) =805a(2) =12311a(3) =176893a(4) =2575955a(5) =37844037a(6) =559416917a(7) =8299429418a(8) =123370738379

External references