572662306

Appears in sequences

• Expansion of 1/((1-x)*(1+2*x+x^2+2*x^3)).at n=30A077931
• Expansion of 1/((1-2*x)*(1-x^4)).at n=29A083593
• Decimal form of the binary numbers 10, 100010, 1000100010, 10001000100010, 100010001000100010,...at n=7A098704
• Expansion of 1/((1+x)*(1-2*x)*(1+x^2)).at n=30A115451
• G.f. x^2*(-1+x+x^2)/((1-x)*(2*x-1)*(x+1)*(x^2+1)).at n=33A115851
• a(0)=0, a(n)=4a(n-1)+2 for n odd, a(n)=4a(n-1) for n even.at n=15A117616
• a(n)=a(n-1)+a(n-2)+a(n-3)+2a(n-4).at n=33A139800
• a(0)=0; a(n+1) = 2*a(n) + period 4:repeat 0,1,-2,1.at n=33A181586
• Successive states of one-sided one-dimensional cellular automaton using Rule 90, starting with a single ON cell, converted to decimal.at n=29A245191
• 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 20", based on the 5-celled von Neumann neighborhood.at n=29A273972
• Numbers n such that uphi(n) (the unitary totient function A047994) is a power of the number of unitary divisors of n (A034444).at n=31A303435