> It is easy to fit formulas to the first six terms, in a million different ways, but none of them are of any interest (the seventh term can be chosen to be any number you wish). - N. J. A. Sloane, Oct 22 2017
A microcosm for the "plot" of that show, where the writers just pulled some new twist out of their backsides every episode!
https://oeis.org/A104101