-832040

Appears in sequences

• a(n+2) = -a(n+1) + a(n) (signed Fibonacci numbers) with a(-2) = a(-1) = 1; or Fibonacci numbers (A000045) extended to negative indices.at n=32A039834
• Expansion of x/(x^4-3*x^3+4*x^2-2*x+1).at n=29A051111
• Expansion of x/(x^4-3*x^3+4*x^2-2*x+1).at n=30A051111
• L(n,-n), where L is defined as in A108299.at n=7A108367
• First differences of A135992.at n=30A135994
• 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=30A138112
• 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=31A138112
• a(n) = a(n-1)+a(n-2), n>1 ; a(0)=1, a(1)=-1.at n=32A152163
• a(n+4) = a(n+3) - 2*a(n+2) - a(n+1) - a(n).at n=28A173343
• a(n) = (-1)^floor( (n-1) / 3 ) * F(n), where F = Fibonacci.at n=30A236191
• a(n) = F(n) * (-1)^(n*(n-1)/2) where F(n) = A000045(n) Fibonacci numbers.at n=30A333378