122077

Appears in sequences

• Number of non-factorable subsets of size >= 2 of a 1 X n uniform grid.at n=16A057750
• Numbers n such that the k-th binary digit of n equals mu(k)^2 for k=1 up to A029837(n+1).at n=16A074988
• Expansion of g.f.: (1-4*x)/((1-5*x)*(1-x)^2).at n=8A094195