Number of permutations of 1..n containing the relative rank sequence { 351624 } at any spacing.
A159173
Number of permutations of 1..n containing the relative rank sequence { 351624 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =895a(3) =18260a(4) =344359a(5) =6268251a(6) =112733231a(7) =2031003754a(8) =36975924824
External references
- oeis: A159173