Number of unlabeled join-semidistributive lattices with n elements.
A377409
Number of unlabeled join-semidistributive lattices with n elements.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =9a(6) =23a(7) =65a(8) =197a(9) =636a(10) =2171a(11) =7756a(12) =28822a(13) =110805
External references
- oeis: A377409