-102334155

Appears in sequences

• Expansion of x/(x^4-3*x^3+4*x^2-2*x+1).at n=39A051111
• Expansion of x/(x^4-3*x^3+4*x^2-2*x+1).at n=40A051111
• Expansion of (x-1)*(x+1) / (8*x^2 + 1 - 3*x + x^4 - 3*x^3).at n=19A108196
• a(n)=3a(n-1)-4a(n-2)+2a(n-3)-a(n-4), a(0)=a(1)=a(2)=0, a(3)=1, a(4)=3.at n=40A138112
• a(n)=3a(n-1)-4a(n-2)+2a(n-3)-a(n-4), a(0)=a(1)=a(2)=0, a(3)=1, a(4)=3.at n=41A138112
• a(n)=Product_{k=1..floor((n-1)/2)} (1 + 4*cos(k*Pi/n)^2)*(1 - 4*sin(k*Pi/n)^2).at n=40A152191
• a(n+4) = a(n+3) - 2*a(n+2) - a(n+1) - a(n), starting with (0, 1, 0, -2).at n=40A173344
• a(n) = Fibonacci(n) * A128834(n).at n=40A306637