Number of permutations of 1..n containing the relative rank sequence { 146523 } at any spacing.
A159121
Number of permutations of 1..n containing the relative rank sequence { 146523 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =893a(3) =18156a(4) =341049a(5) =6184359a(6) =110865138a(7) =1992632288a(8) =36228489065a(9) =670284655152
External references
- oeis: A159121