Number of permutations of 1..n containing the relative rank sequence { 134625 } at any spacing.
A159095
Number of permutations of 1..n containing the relative rank sequence { 134625 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =895a(3) =18251a(4) =343794a(5) =6247342a(6) =112133533a(7) =2016191343a(8) =36643491669a(9) =677335842892
External references
- oeis: A159095