Number of permutations of 1..n containing the relative rank sequence { 254163 } at any spacing.
A159164
Number of permutations of 1..n containing the relative rank sequence { 254163 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =895a(3) =18269a(4) =344845a(5) =6284126a(6) =113143395a(7) =2040278015a(8) =37168888376
External references
- oeis: A159164