Number of nonisomorphic orthogonal arrays OA(4n,4n-1,2,2).

A048885

Number of nonisomorphic orthogonal arrays OA(4n,4n-1,2,2).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =5a(4) =3a(5) =130a(6) =7570a(7) =355293682

External references