Number of Green's L-classes in B_n, the semigroup of binary relations on [n].
A358944
Number of Green's L-classes in B_n, the semigroup of binary relations on [n].
Terms
- a(0) =1a(1) =2a(2) =7a(3) =55a(4) =1324a(5) =120633a(6) =36672159
External references
- oeis: A358944