8589934589

Appears in sequences

• 2^(n-1) - (prime(n) mod n).at n=33A077686
• Semiprime nearest to 2^n. (In case of a tie, choose the smaller).at n=33A117405
• a(n) = 3*a(n-1) - 3*a(n-2) + 2*a(n-3), with a(0) = 4, a(1) = 2, a(2) = 1.at n=33A133455
• Powers of 2 with 3 alternatingly added and subtracted.at n=33A140657
• a(n) = 2^n +(-1)^n - 2.at n=33A166956
• Permutation of natural numbers: a(n) = A245611(A163511(n)).at n=39A253891
• a(n) = -1 + 2 * product_{i=0..n} A093179(i), where A093179(i) is the smallest prime factor of 2^(2^i) + 1.at n=4A259534
• Decimal representation of the n-th iteration of the "Rule 243" elementary cellular automaton starting with a single ON (black) cell.at n=16A267921
• a(n) = 2^n + 2*(-1)^n - 1.at n=33A269019
• Expansion of x*(1 - 2*x + 3*x^2)/((1 - x)*(1 - 2*x)*(1 - x + x^2)).at n=33A282153
• 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 621", based on the 5-celled von Neumann neighborhood.at n=33A283358
• 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 641", based on the 5-celled von Neumann neighborhood.at n=32A283506
• 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 790", based on the 5-celled von Neumann neighborhood.at n=32A284031
• 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 950", based on the 5-celled von Neumann neighborhood.at n=32A284482
• 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 545", based on the 5-celled von Neumann neighborhood.at n=32A289098
• 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 641", based on the 5-celled von Neumann neighborhood.at n=32A290073
• 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 643", based on the 5-celled von Neumann neighborhood.at n=32A290113