Number of linear chord diagrams having n chords and minimal chord length four.

A293917

Number of linear chord diagrams having n chords and minimal chord length four.

Terms

    a(0) =1a(1) =19a(2) =252a(3) =3441a(4) =52938a(5) =919077a(6) =17783732a(7) =379205917a(8) =8832657552a(9) =223147872970

External references