proposition: Lemma Stern_pow2 n: Stern (2^n) = 1/(n.+1)%:Q.
proof: Proof. by rewrite /Stern fusc_pow2 fusc_succ_pow2. Qed.
imports: mathcomp(ssreflect ssrfun ssrbool eqtype ssrnat) mathcomp(seq choice fintype order bigop ssralg) mathcomp(div ssrnum ssrint rat prime path binomial) mathcomp(tuple finset) gaia(fibm)