Number of permutations of 1..n containing the relative rank sequence { 153624 } at any spacing.
A159125
Number of permutations of 1..n containing the relative rank sequence { 153624 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =895a(3) =18252a(4) =343859a(5) =6249828a(6) =112207082a(7) =2018062151a(8) =36686671476
External references
- oeis: A159125