4473924

Appears in sequences

• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0.at n=11A033114
• Positions of negative coefficients in cyclotomic polynomial Phi_n(x), converted from binary to decimal. (The constant term in the least significant bit (bit-0), the term x in the next bit (bit-1) and so on).at n=52A063698
• Expansion of 1/((1-2*x)*(1-x^4)).at n=22A083593
• Expansion of 1/((1+x)*(1-2*x)*(1+x^2)).at n=23A115451
• a(n)=a(n-1)+a(n-2)+a(n-3)+2a(n-4).at n=26A139800
• a(n) = 4*(16^n-1)/15.at n=6A141032
• a(0)=0, a(1)=1, a(n) = least k>a(n-1) such that k+a(n-2) is a Jacobsthal number.at n=23A215095
• 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 326", based on the 5-celled von Neumann neighborhood.at n=22A281108
• 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 342", based on the 5-celled von Neumann neighborhood.at n=22A281216
• 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 597", based on the 5-celled von Neumann neighborhood.at n=22A283216