Number of irreducible packed words of length n.
A232974
Number of irreducible packed words of length n.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =10a(4) =66a(5) =538a(6) =5170a(7) =56906a(8) =704226a(9) =9671930a(10) =145992338a(11) =2403271594a(12) =42869336130a(13) =824103252058
External references
- oeis: A232974