Possible numbers of complements of topologies on 9 points.
A018200
Possible numbers of complements of topologies on 9 points.
Terms
- a(0) =1a(1) =8a(2) =49a(3) =128a(4) =216a(5) =255a(6) =512
External references
- oeis: A018200
A018200
Possible numbers of complements of topologies on 9 points.