-12868

Appears in sequences

• Expansion of 1/(1 + x/(1 + x/(1 + x^2/(1 + x/(1 + x^3/(1 + x/(1 + x^4/(1 + ...)))))))), a continued fraction.at n=18A296202
• a(n) = Sum_{k=0..floor(n/8)} (-1)^k*binomial(n,8*k).at n=16A307044