[seqfan] Re: Reciprocal Recaman

franktaw at netscape.net franktaw at netscape.net
Mon Nov 18 06:56:38 CET 2013

Here's a related question. What is the minimum denominator one can get 
for the sum 1/1 +- 1/2 +- ... +- 1/n?

The maximum possible is almost certainly A003418, though a proof would 
be nice.

One can also ask for the minimum absolute value of such a sum. This all 
is related to A203810/A203811.

Franklin T. Adams-Watters

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