proposition: Lemma fusci_val n:Fusci n 1 0 = fusc n.
proof: Proof. by rewrite /Fusci /= addn0 mul1n. 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)