65394

Appears in sequences

• a(n) = Sum_{k=1..n} A123706(n,k)*2^(k-1).at n=17A123707
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 49", based on the 5-celled von Neumann neighborhood.at n=15A285558