Number of permutations of 1..n containing the relative rank sequence { 126453 } at any spacing.
A159088
Number of permutations of 1..n containing the relative rank sequence { 126453 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =892a(3) =18099a(4) =339095a(5) =6131634a(6) =109624680a(7) =1965843921a(8) =35681560273a(9) =659532296861
External references
- oeis: A159088