279620

Appears in sequences

• Base-4 digits are, in order, the first n terms of the periodic sequence with initial period 1,0.at n=9A033114
• Numbers whose base-4 representation has exactly 10 runs.at n=0A043601
• Numbers n such that number of runs in the base 4 representation of n is congruent to 1 mod 9.at n=27A043859
• Numbers n such that number of runs in the base 4 representation of n is congruent to 0 mod 10.at n=0A043867
• 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=44A063698
• Floor(average of first n Fibonacci numbers).at n=32A078620
• Expansion of 1/((1-2*x)*(1-x^4)).at n=18A083593
• a(n) = A000695(A014486(n)).at n=23A083931
• Expansion of 1/((1+x)*(1-2*x)*(1+x^2)).at n=19A115451
• a(n)=a(n-1)+a(n-2)+a(n-3)+2a(n-4).at n=22A139800
• a(n) = 4*(16^n-1)/15.at n=5A141032
• Positions where A163890 obtains distinct new values.at n=29A163891
• 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=19A215095
• 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=18A281216
• 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=18A283216