Number of permutations of 1..n containing the relative rank sequence { 154623 } at any spacing.
A159129
Number of permutations of 1..n containing the relative rank sequence { 154623 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =893a(3) =18156a(4) =341051a(5) =6184486a(6) =110869930a(7) =1992773061a(8) =36232056820
External references
- oeis: A159129