Number of permutations of 1..n containing the relative rank sequence { 132546 } at any spacing.
A159090
Number of permutations of 1..n containing the relative rank sequence { 132546 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =891a(3) =18041a(4) =337085a(5) =6076989a(6) =108331202a(7) =1937745128a(8) =35104098525a(9) =648090669839
External references
- oeis: A159090