Number of permutations of 1..n containing the relative rank sequence { 126435 } at any spacing.
A159087
Number of permutations of 1..n containing the relative rank sequence { 126435 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =893a(3) =18149a(4) =340635a(5) =6169711a(6) =110458898a(7) =1982842808a(8) =36012586968a(9) =665794484782
External references
- oeis: A159087