5726623060

Appears in sequences

• Barlow packings with group R3(bar)m(SO) that repeat after 6n+3 layers.at n=33A011954
• a(n) = a(n-1) + 2*a(n-2) + 2, for n>=3, where a(0)= 1, a(1)= 2, a(2)= 4.at n=32A026644
• Partial sums of Jacobsthal gap sequence.at n=32A080610
• a(n) = (4/3)*(4^n - 1).at n=16A080674
• a(n) = -5*a(n-1) - 4*a(n-2), a(0)=1, a(1)=0.at n=17A084240
• Expansion of x*(1+2*x)/((1+x)*(1-x)*(1-2*x)).at n=32A084639
• Expansion of (1+x-4*x^2) / ((1+x)*(1-4*x^2)).at n=33A087213
• Expansion of (1 - 2*x + 2*x^2)/((1 - x^2)*(1 - 2*x)).at n=33A097072
• Expansion of x^3 / ((x-1)*(2*x-1)*(x^2-x+1)).at n=34A111927
• Duplicate of A080674.at n=15A155721
• a(n) = 3*a(n-1) -2*a(n-2) -a(n-3) +3*a(n-4) -2*a(n-5) for n > 4, with initial values as shown.at n=34A166022
• a(n) = J(n) if n odd, or 4*J(n) if n even, where J = Jacobsthal numbers A001045.at n=32A270797
• 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 553", based on the 5-celled von Neumann neighborhood.at n=32A282579
• 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 505", based on the 5-celled von Neumann neighborhood.at n=33A282798
• 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 507", based on the 5-celled von Neumann neighborhood.at n=33A282802