Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A130935/A130936.
A130969
Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A130935/A130936.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =9a(5) =20a(6) =51a(7) =128a(8) =345a(9) =944a(10) =2658a(11) =7600a(12) =22150
External references
- oeis: A130969