All data can be fit to a curve! The entirety of the known Universe* is merely a slightly more complex than normal wave function being actively manipulated by miniature office cubicles full of hamsters and maybe gerbils! Could be nutria though, the office is located rather far away and I only have a cheap telescope to spy on them. But no matter! We shall not slump into despair at the feet of merely mostly intractable polynomials, instead we shall push on to find a talented mathematologist to untie this knot of some annoyance.In the actual code, it's an array, not a formula. I don't believe there is a f(x) for the progression.