Number of permutations of 1..n containing the relative rank sequence { 153642 } at any spacing.
A159126
Number of permutations of 1..n containing the relative rank sequence { 153642 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18200a(4) =342224a(5) =6209179a(6) =111322536a(7) =2000336802a(8) =36349944727a(9) =672095243718
External references
- oeis: A159126