132037

Appears in sequences

• Number of different Othello shapes at the end of the n-th ply.at n=8A125528
• Triangle read by rows: T(n,k) is the number of dispersed Dyck paths of length n (i.e., Motzkin paths of length n with no (1,0)-steps at positive heights) having k DHU's (here U=(1,1), H=(1,0), and D=(1,-1)).at n=55A191397
• Number of dispersed Dyck paths of length n (i.e., Motzkin paths of length n with no (1,0)-steps at positive heights) having no DHU's (here U=(1,1), H=(1,0), and D=(1,-1)).at n=21A191398
• Number of subsets of [n] avoiding 3-term arithmetic progressions and containing n if n>0.at n=28A334893