18870336domain: NAppears in sequencesPerfect powers y^m with y > 1 and m > 1 which are Brazilian repdigits with three or more digits > 1 in some base.at n=22A307745Squares m such that beta(m) = (tau(m) - 1)/2 where beta(m) is the number of Brazilian representations of m and tau(m) is the number of divisors of m.at n=24A326710