Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A127379/A127380 and A127381/A127382.
A127384
Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A127379/A127380 and A127381/A127382.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =9a(5) =23a(6) =62a(7) =179a(8) =543a(9) =1705a(10) =5482a(11) =18056a(12) =60634a(13) =206824
External references
- oeis: A127384