Number of permutations of 1..n containing the relative rank sequence { 145236 } at any spacing.
A159113
Number of permutations of 1..n containing the relative rank sequence { 145236 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =893a(3) =18153a(4) =340826a(5) =6174960a(6) =110565106a(7) =1984504925a(8) =36030424805
External references
- oeis: A159113