Number of permutations of 1..n containing the relative rank sequence { 236145 } at any spacing.
A159148
Number of permutations of 1..n containing the relative rank sequence { 236145 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18219a(4) =343295a(5) =6245377a(6) =112283818a(7) =2022569354a(8) =36821516540a(9) =681544409462
External references
- oeis: A159148