Number of permutations of 1..n containing the relative rank sequence { 135426 } at any spacing.
A159099
Number of permutations of 1..n containing the relative rank sequence { 135426 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18198a(4) =342081a(5) =6203273a(6) =111136050a(7) =1995314753a(8) =36227939331a(9) =669331964214
External references
- oeis: A159099