Number of permutations of 1..n containing the relative rank sequence { 236154 } at any spacing.
A159149
Number of permutations of 1..n containing the relative rank sequence { 236154 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18209a(4) =342746a(5) =6227216a(6) =111809573a(7) =2011739254a(8) =36593905375a(9) =677012700022
External references
- oeis: A159149