1 problem

Let $(s(n))_{n\ge 0}$ be Stern's sequence, defined by $s(0)=0$, $s(1)=1$, $s(2n)=s(n)$ and $s(2n+1)=s(n)+s(n+1)$. Let $L_m(r)$ denote the $m$th largest distinct value in the $r$th…