Number of sets of subsets of {1..n} contradicting a strict version of the axiom of choice.
A367901
Number of sets of subsets of {1..n} contradicting a strict version of the axiom of choice.
Terms
- a(0) =1a(1) =2a(2) =9a(3) =195a(4) =63765a(5) =4294780073
External references
- oeis: A367901