-16385

Appears in sequences

• a(n) = A135574(n+1) - 2*A135574(n).at n=14A135575
• Expansion of (1 + x - x^2)/((1 + x)*(1 + 2*x)).at n=15A248155
• Expansion of e.g.f. (1 + sin(x))/exp(x).at n=29A321632
• Dirichlet inverse of function f(n) = 1 + A048675(n), where A048675(n) is fully additive with a(p) = 2^(1-PrimePi(p)).at n=46A359795
• Dirichlet inverse of A005941.at n=46A364574