Number of linear chord diagrams having n chords and maximal chord length n, a(0)=1.

A293962

Number of linear chord diagrams having n chords and maximal chord length n, a(0)=1.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =10a(4) =70a(5) =630a(6) =6930a(7) =90090a(8) =1351350a(9) =22972950a(10) =436486050a(11) =9166207050a(12) =210822762150

External references