5571815

Appears in sequences

• a(n) = Fibonacci(n) - 2^(floor(n/2)).at n=34A028892
• Fibonacci bisection minus powers of 2.at n=17A139209
• a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = -1, a(1) = -1, a(2) = 0, a(3) = 1.at n=30A295731