60358

Appears in sequences

• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 561", based on the 5-celled von Neumann neighborhood.at n=38A272937
• a(1) = 1; a(n+1) = Sum_{d|n} phi(d) * a(d).at n=10A332791
• Number of gap-free Carlitz compositions of n.at n=22A374726