Number of permutations of 1..n containing the relative rank sequence { 164532 } at any spacing.
A159138
Number of permutations of 1..n containing the relative rank sequence { 164532 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =892a(3) =18098a(4) =339047a(5) =6130308a(6) =109597622a(7) =1965411924a(8) =35676595851a(9) =659518475960
External references
- oeis: A159138