1610612735

Appears in sequences

• a(0) = 1; a(n) = 3*2^n - 1, for n > 0.at n=29A052940
• a(0) = 0; for n > 0, a(n) = 3*2^(n-1) - 1.at n=30A055010
• a(0) = 1; for n > 0, a(n) = 3*2^(n-1) - 1.at n=30A083329
• a(n) = 6*4^n - 1.at n=14A140529
• a(n) = 3*(-1)^(n+1)*2^n - 1.at n=29A140683
• a(n) = 3*2^n - 1.at n=29A153893
• Decimal representation of the n-th iteration of the "Rule 155" elementary cellular automaton starting with a single ON (black) cell.at n=15A263245
• Independence number of the n-Mycielski graph.at n=31A266550
• Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 641", based on the 5-celled von Neumann neighborhood.at n=30A283507
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 873", based on the 5-celled von Neumann neighborhood.at n=31A284349
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 950", based on the 5-celled von Neumann neighborhood.at n=30A284481
• 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 545", based on the 5-celled von Neumann neighborhood.at n=30A289099
• 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 641", based on the 5-celled von Neumann neighborhood.at n=30A290074
• 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 643", based on the 5-celled von Neumann neighborhood.at n=30A290114
• 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 899", based on the 5-celled von Neumann neighborhood.at n=30A290662
• Least number k such that the determinant of the circulant matrix of its representation in base 2 is equal to n.at n=30A306662
• Minimum m such that the convergence speed of m^^m is equal to n >= 2, where A317905(n) represents the convergence speed of m^^m (and m = A067251(n), the n-th non-multiple of 10).at n=27A337392
• a(n) is the smallest integer k greater than 1 and not a perfect power satisfying A373387(k^n) = n.at n=28A381949
• a(n) is the smallest integer k greater than 1 and not a perfect power satisfying A373387(k^n) = n.at n=29A381949