Number of permutations of 1..n containing the relative rank sequence { 41235 } at any spacing.

A158424

Number of permutations of 1..n containing the relative rank sequence { 41235 } at any spacing.

Terms

    a(0) =1a(1) =26a(2) =459a(3) =7037a(4) =102075a(5) =1457407a(6) =20922336a(7) =305907060a(8) =4594540541a(9) =71326622649

External references