-6005

Appears in sequences

• Expansion of (1 - x + 2*x^2) / (1 - x^3 + x^4).at n=52A110062
• a(n) = Sum_{i=1..n} (-1)^{i+1} prime(i)^2, where prime(k) denotes the k-th prime: alternating sum of the squares of the first n primes.at n=27A240860