Number of permutations of 1..n containing the relative rank sequence { 143265 } at any spacing.
A159109
Number of permutations of 1..n containing the relative rank sequence { 143265 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =891a(3) =18042a(4) =337134a(5) =6078371a(6) =108359977a(7) =1938212839a(8) =35109518705a(9) =648102812344
External references
- oeis: A159109