30764

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 131", based on the 5-celled von Neumann neighborhood.at n=35A270223
• Least integer k such that prime(k+1) - prime(k) = 2 and prime(k+2) - prime(k+1) = 2n, or 0 if no such k exists.at n=35A280941
• Values of k at which the ratio k/A005132(k) sets a new record.at n=8A330788