Number of permutations avoiding the consecutive pattern 1342.

A117156

Number of permutations avoiding the consecutive pattern 1342.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =6a(4) =23a(5) =110a(6) =630a(7) =4210a(8) =32150a(9) =276210a(10) =2636720a(11) =27687440a(12) =317169270a(13) =3936056080a(14) =52603684760a(15) =753241509900

External references