Number of equivalence classes of lattices of subsets of the power set 2^[n].

A235604

Number of equivalence classes of lattices of subsets of the power set 2^[n].

Terms

    a(0) =1a(1) =1a(2) =1a(3) =4a(4) =50a(5) =7443a(6) =95239971

External references