16769021

Appears in sequences

• Integers k whose binary expansion (D digits in length) is the same as the initial D digits of the binary expansion of the square root of k to the right of the binary point.at n=21A165309
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 3", based on the 5-celled von Neumann neighborhood.at n=11A269911
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 961", based on the 5-celled von Neumann neighborhood.at n=11A273832