Number of permutations of 1..n containing the relative rank sequence { 136524 } at any spacing.
A159107
Number of permutations of 1..n containing the relative rank sequence { 136524 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =895a(3) =18251a(4) =343809a(5) =6248365a(6) =112174581a(7) =2017464380a(8) =36677386872a(9) =678153201432
External references
- oeis: A159107