Number of permutations of 1..n containing the relative rank sequence { 135624 } at any spacing.
A159101
Number of permutations of 1..n containing the relative rank sequence { 135624 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =894a(3) =18205a(4) =342507a(5) =6218802a(6) =111580019a(7) =2006343205a(8) =36478531062a(9) =674696743045
External references
- oeis: A159101