289000domain: NAppears in sequencesNumbers n that are the hypotenuse of exactly 17 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 17 ways.at n=26A097239Numbers with prime factorization p^2*q^3*r^3 where p, q, and r are distinct primes.at n=25A190106