Number of permutations avoiding the consecutive pattern 42531.

A202230

Number of permutations avoiding the consecutive pattern 42531.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =119a(5) =708a(6) =4914a(7) =38982a(8) =347873a(9) =3449332a(10) =37621965a(11) =447648482a(12) =5770250935a(13) =80100822074

External references