Number of bisymmetric and quasitrivial operations on an arbitrary n-element set.
A296943
Number of bisymmetric and quasitrivial operations on an arbitrary n-element set.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =14a(4) =58a(5) =292a(6) =1754a(7) =12280a(8) =98242a(9) =884180a(10) =8841802a(11) =97259824a(12) =1167117890a(13) =15172532572a(14) =212415456010
External references
- oeis: A296943