78843

Appears in sequences

• Expansion of a modular function for Gamma_0(15).at n=21A002510
• Number of partitions of n such that some part is a sum of two other parts.at n=45A237113
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 441", based on the 5-celled von Neumann neighborhood.at n=16A282224
• a(n) = Sum_{k=0..n} (-1)^k * binomial(3*k,n-k) * Catalan(k).at n=15A360084