Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A082345/A082346.
A089406
Number of cycles in range [A014137(n-1)..A014138(n-1)] of permutation A082345/A082346.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =6a(5) =16a(6) =37a(7) =95a(8) =238a(9) =624a(10) =1650a(11) =4478a(12) =12356a(13) =34756a(14) =99313a(15) =288145a(16) =847366a(17) =2523092a(18) =7597834a(19) =23117382a(20) =71007196
External references
- oeis: A089406