1. Numbers n such that Mod[Fibonacci[n],n^2]<=Mod[Fibonacci[n],n] {1,2,3,4,12,45,177,1932,2189,4712, 5771,5778,43220} More terms? 2. Q.Is Mod[Fibonacci[n],n^2]=0 only for n=1,12? Thanks, Zak