Number of distinct regular languages over binary alphabet, whose minimum regular expression has ordinary length n.

A211949

Number of distinct regular languages over binary alphabet, whose minimum regular expression has ordinary length n.

Terms

    a(0) =4a(1) =6a(2) =17a(3) =48a(4) =134a(5) =397a(6) =1151a(7) =3442a(8) =10527a(9) =32731

External references