Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A130919/A130920.
A130967
Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutations A130919/A130920.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =10a(5) =23a(6) =66a(7) =189a(8) =574a(9) =1773a(10) =5640a(11) =18208a(12) =59774a(13) =198654
External references
- oeis: A130967