Number of equivalence classes of n-valued Post functions of 2 variables under action of semi-direct product of symmetric group S_2 and complementing group D(2,n).
A001326
Number of equivalence classes of n-valued Post functions of 2 variables under action of semi-direct product of symmetric group S_2 and complementing group D(2,n).
Terms
- a(0) =6a(1) =2862a(2) =537157696
External references
- oeis: A001326