25299648domain: NAppears in sequencesNumbers of the form (11^i)*(12^j), with i, j >= 0.at n=31A108218Integer areas A of the integer-sided triangles such that the inradius and the radius of the three excircles are perfect squares.at n=29A2333173-full numbers (A036966) sandwiched between twin primes.at n=13A360840