Mystery of the Singing Numbers

by Wacks Formula

This one’s easy.  Just add until it’s done.

The challenge is to find the answer within 2 minutes without a calculator.  Is there a faster way?  😛

The list below is a portion of the “Harmonic Sequence”.

Source:  SEAMC Time limit:  2 mins
Source: SEAMC
Time limit: 2 mins

 

Comment to answer! 🙂

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