Number of permutations of 1..n containing the relative rank sequence { 135642 } at any spacing.
A159102
Number of permutations of 1..n containing the relative rank sequence { 135642 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18202a(4) =342356a(5) =6214281a(6) =111474723a(7) =2004234854a(8) =36440475644a(9) =674063084277
External references
- oeis: A159102