1353554

Appears in sequences

• Number T(n,k) of labeled cyclic chord diagrams having n chords and minimal chord length k (or k=0 if n=0); triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=37A324429
• Number of labeled cyclic chord diagrams with n chords such that the minimal chord length equals one.at n=7A324445