250368

Appears in sequences

• Coordination sequence for F_4 lattice.at n=16A019558
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 189", based on the 5-celled von Neumann neighborhood.at n=18A279719
• Number of directed graphs of 2*n vertices each having an in-degree and out-degree of 1 such that the graph specifies a pairwise connected gift exchange with no reciprocal gifts.at n=5A322750