Number of permutations of 1..n containing the relative rank sequence { 245163 } at any spacing.
A159155
Number of permutations of 1..n containing the relative rank sequence { 245163 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18214a(4) =343054a(5) =6238601a(6) =112139093a(7) =2019997237a(8) =36782390957
External references
- oeis: A159155