103350domain: NAppears in sequencesa(n) = 60*n^2 + 180*n + 150.at n=39A069477Integers that are Rhonda numbers to base 8.at n=28A100970Least positive integer k such that (k-1)^2+(k*n)^2, k^2+(k*n-1)^2, (k+1)^2+(k*n)^2 and k^2+(k*n+1)^2 are all prime.at n=53A261382