209152

Appears in sequences

• Number of (w,x,y,z) with all terms in {1,...,n} and w<2x and y>2z.at n=33A212504
• Number of maximum irredundant sets in the n-web graph.at n=16A308350
• a(n) is the number of tilings of the Aztec diamond of order n using horizontal skew tetrominoes, horizontal straight tetrominoes, and square tetrominoes.at n=6A356514