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A comment on Solving Programming Puzzles Without Using Your Brain. Parent comment

Re:Solving Programming Puzzles Without Using Your Brain by paideic on Wednesday June 05, 2019 @09:18AM (#20104010)
Presumably multiplying by two and adding one? That's the pattern that jumped out to me, unless they're talking about something more subtle.
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Re:Solving Programming Puzzles Without Using Your Brain by oisdk on Wednesday June 05, 2019 @09:25AM (#20104068)
Oh, of course! Looking at it now that's pretty obvious, lol.

Although I think even if I had spotted that I still would have put it into oeis to see if there was a quick membership test.

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Re:Solving Programming Puzzles Without Using Your Brain by mankeysee on Friday June 07, 2019 @12:45AM (#20121722)
Which is to say, 2^n-1.
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