Number of strict closure operators on a set of n elements which satisfy the T_1 separation axiom.

A334255

Number of strict closure operators on a set of n elements which satisfy the T_1 separation axiom.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =8a(4) =545a(5) =702525a(6) =66960965307

External references