49621domain: NAppears in sequencesNonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+359)^2 = y^2.at n=10A130610a(n) = binomial(n,3) + 6*binomial(n,4) + 15*binomial(n,5) + 15*binomial(n,6).at n=13A382081