Number of permutations of 1..n containing the relative rank sequence { 163542 } at any spacing.
A159134
Number of permutations of 1..n containing the relative rank sequence { 163542 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18198a(4) =342114a(5) =6205561a(6) =111229153a(7) =1998237674a(8) =36306623166a(9) =671248950345
External references
- oeis: A159134