Number of permutations of 1..n containing the relative rank sequence { 134526 } at any spacing.
A159093
Number of permutations of 1..n containing the relative rank sequence { 134526 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =893a(3) =18155a(4) =340960a(5) =6180218a(6) =110724545a(7) =1988664448a(8) =36129031223a(9) =667983854845
External references
- oeis: A159093