proposition: Lemma stern_ex1 m n: sternD m n 1 = [:: m; m+n ; n].
proof: Proof. done. 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)