Number of permutations of 1..n containing the relative rank sequence { 326514 } at any spacing.
A159172
Number of permutations of 1..n containing the relative rank sequence { 326514 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18211a(4) =342864a(5) =6231402a(6) =111926215a(7) =2014564125a(8) =36656463405a(9) =678317048845
External references
- oeis: A159172