Number of (n+2)X(3+2) 0..1 arrays with the (lower) median of each row and column nondecreasing.

A237736

Number of (n+2)X(3+2) 0..1 arrays with the (lower) median of each row and column nondecreasing.

Terms

    a(0) =3720a(1) =105639a(2) =1659924a(3) =38387146a(4) =639694176a(5) =13279334007a(6) =226316321580

External references