Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A085169/A085170.
A086585
Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A085169/A085170.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =18a(6) =40a(7) =86a(8) =198a(9) =438a(10) =982a(11) =2218a(12) =5072a(13) =11642
External references
- oeis: A086585