154583domain: NAppears in sequencesNonnegative values x of solutions (x, y) to the Diophantine equation x^2+(x+73)^2 = y^2.at n=14A129289a(n) = 12167n - 3588.at n=12A156846Integer solutions to n^4 = x^3 + y^2 (values of x sorted by n).at n=34A221744Numbers k such that binomial(k^2,k) == 0 (mod k^3).at n=26A371474