big = 1 000 000 s = 0 S = Set([]) unseen = 1 seen(v) = if (v < big, bit test(s, v), set search(S, v)) see(v) = if (v < big, s = bit or(s, 2^v), S = set union(S, Set([v]))); while (seen(unseen), unseen++) total = 2 other() = { fordiv(total, v, if (!seen(v), return (v); ); ); print ("#the end"); quit; } { for (n=1, 10 000, v = other(); print (n " " total/v); total += v; see(v); ); } quit