Number of permutations of 1..n containing the relative rank sequence { 246135 } at any spacing.
A159157
Number of permutations of 1..n containing the relative rank sequence { 246135 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =895a(3) =18258a(4) =344229a(5) =6263343a(6) =112591118a(7) =2027487409a(8) =36897337697a(9) =682690905265
External references
- oeis: A159157