-6764

Appears in sequences

• a(n) = -a(n-1) - a(n-3) + a(n-4).at n=20A116697
• G.f.: Sum_{n>=0} (x^n + i)^n / (1 + i*x^n)^(n+1), in which the constant term is taken to be 1.at n=39A323689