48810

Appears in sequences

• Number of isomorphism classes of closed binary operations (groupoids) on a set of order n, listed by class size.at n=13A079171
• 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 203", based on the 5-celled von Neumann neighborhood.at n=15A279811