Number of permutations of 1..n containing the relative rank sequence { 52143 } at any spacing.
A158435
Number of permutations of 1..n containing the relative rank sequence { 52143 } at any spacing.
Terms
- a(0) =1a(1) =26a(2) =459a(3) =7036a(4) =102033a(5) =1456346a(6) =20901218a(7) =305540295a(8) =4588693377a(9) =71238558078
External references
- oeis: A158435