Number of permutations avoiding the consecutive pattern 45231.

A202233

Number of permutations avoiding the consecutive pattern 45231.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =119a(5) =708a(6) =4915a(7) =38992a(8) =347980a(9) =3450572a(10) =37637545a(11) =447857256a(12) =5773243451a(13) =80146549212

External references