Number of permutations of 1..n containing the relative rank sequence { 145623 } at any spacing.
A159116
Number of permutations of 1..n containing the relative rank sequence { 145623 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =892a(3) =18102a(4) =339300a(5) =6139749a(6) =109870847a(7) =1972227424a(8) =35831253120a(9) =662813023696
External references
- oeis: A159116