2114829

Appears in sequences

• Number of (k,m,n)-multiantichains of multisets with k=3 and m=2.at n=7A084879
• Number of lattice paths from (0,0) to (n,n) using steps S={(k,0),(0,k),(r,r)|k>0,0<r<=2} which never go above the line y=x.at n=8A175939