in reply to [OT] math fulguration
This rule doesn't seem to work for 3^3 which following this equation would be 3^0 + 3^1 + 3^2 + 1 => 14; the correct answer is 27. Yes, it does work for powers of 2.
Update: Oof -- clearly, my reading comprehension sucks. I never did well on exams. :/
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