Pb on A117871

[Dean Hickerson]

Russ Cox wrote:

> > There is a little pb on A117871 :
> > %S A117871 0,0,4,3,4,5,3,7,4,3,4,11,3,13,4,3,4,17,3,19,4,3,4,23,3,5,4,3...
> > Def :
> > %N A117871 Smallest divisor of 2n that is > 2, or 0 if no such divisor exists.
...
> The sequence is correct as it is.
> The offset line in the sequence indicates
> that the first term listed is a(0), not a(1).

But a(0) should be 3, not 0.  Every integer is a divisor of 0, and the
smallest one that's > 2 is 3.

Dean Hickerson
dean at math.ucdavis.edu