Number of permutations of 1..n containing the relative rank sequence { 135264 } at any spacing.
A159098
Number of permutations of 1..n containing the relative rank sequence { 135264 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =895a(3) =18249a(4) =343685a(5) =6243778a(6) =112041954a(7) =2014142156a(8) =36601451528
External references
- oeis: A159098