Number of permutations of 1..n containing the relative rank sequence { 256413 } at any spacing.
A159168
Number of permutations of 1..n containing the relative rank sequence { 256413 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18212a(4) =342909a(5) =6232590a(6) =111950361a(7) =2014983453a(8) =36663029801a(9) =678413022961
External references
- oeis: A159168