Number of permutations of 1..n containing the relative rank sequence { 245613 } at any spacing.
A159156
Number of permutations of 1..n containing the relative rank sequence { 245613 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =893a(3) =18153a(4) =340896a(5) =6179596a(6) =110745737a(7) =1989952470a(8) =36171816761a(9) =669125327823
External references
- oeis: A159156