There is a discussion of this over at /r/math: http://www.reddit.com/r/math/comments/if4kd/take_the_harmonic_series_remove_any_term_with_a_9/ http://www.reddit.

There is a discussion of this over at /r/math: http://www.reddit.com/r/math/comments/if4kd/take_the_harmonic_series_remove_any_term_with_a_9/ http://www.reddit.com/r/math/comments/if4kd/take_the_harmoni...