261117

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=13A165309
• Number of binary strings of length n with no substrings equal to 00000 or 00100.at n=19A188765
• Greatest number (in decimal representation) with n nonprime substrings in base-8 representation (substrings with leading zeros are considered to be nonprime).at n=6A217118
• 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=8A269911
• 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=8A273832