212991

Appears in sequences

• a(n) = (n-1)*2^n - 1.at n=13A163383
• a(n) = 13*2^n-1.at n=14A198274
• Decimal representation of the middle column of the "Rule 143" elementary cellular automaton starting with a single ON (black) cell.at n=17A267539
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 133", based on the 5-celled von Neumann neighborhood.at n=27A286021
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 181", based on the 5-celled von Neumann neighborhood.at n=17A286406
• 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 377", based on the 5-celled von Neumann neighborhood.at n=34A287912
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 389", based on the 5-celled von Neumann neighborhood.at n=27A287978
• Bases in which 13 is a unique-period prime.at n=46A306077