Number of permutations of 1..n containing the relative rank sequence { 1654327 } at any spacing.
A159181
Number of permutations of 1..n containing the relative rank sequence { 1654327 } at any spacing.
Terms
- a(0) =1a(1) =50a(2) =1578a(3) =40883a(4) =958718a(5) =21348729a(6) =463739420a(7) =9988577995a(8) =215585539016
External references
- oeis: A159181