17895696domain: NAppears in sequencesa(n) = n^6 + n^5 + n^4 + n^3 + n^2 + n.at n=16A228290Renyi-Ulam liar numbers: maximum k such that n questions "Is x in subset S of {1,...,k}?" are guaranteed to determine x when at most one answer can be a lie.at n=29A286496