Number of n X 5 0..2 arrays with rows nondecreasing and antidiagonals unimodal.

A224009

Number of n X 5 0..2 arrays with rows nondecreasing and antidiagonals unimodal.

Terms

    a(0) =21a(1) =441a(2) =6815a(3) =90051a(4) =1108969a(5) =13275381a(6) =157347899a(7) =1859567103a(8) =21962353421a(9) =259365424097

External references