Newsgroups: sci.math, rec.puzzles
From: Dan Hoey <haoyuep@aol.com>
Date: Tue, 29 Mar 2011 22:07:27 -0400
Subject: Re: One Through Nine, With Eight Missing, And Two Ones

James Van Buskirk wrote:
> Given the O.P. I was hoping for something like the sum of the
> reciprocals of all the positive integers that don't have the digit
> '8'.

I like this more than Leroy Quet's puzzle.  Do you have any ideas
about how to calculate this number?