proposition: Lemma last_sternD' n: last 0 (stern11 n) = 1.
proof: Proof. apply: last_sternD. 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)