Number of nX3 0..3 arrays with antidiagonals unimodal.

A223580

Number of nX3 0..3 arrays with antidiagonals unimodal.

Terms

    a(0) =64a(1) =4096a(2) =204800a(3) =10240000a(4) =512000000a(5) =25600000000

External references