Number of permutations of 1..n containing the relative rank sequence { 145326 } at any spacing.
A159115
Number of permutations of 1..n containing the relative rank sequence { 145326 } at any spacing.
Terms
- a(0) =1a(1) =37a(2) =893a(3) =18151a(4) =340722a(5) =6171747a(6) =110487973a(7) =1982914085a(8) =36000845891a(9) =665283251217
External references
- oeis: A159115