> The questionable elements are:
> a(37) = 0. Empirical evidence indicates that
> 37 | gcf(k, rev(k)) ==> 111 | gcf(k, rev(k)),
> in which case gcf(k, rev(k)) = 37 has no solution.
Questionable indeed! For k=1009009009009, gcd(k,rev(k))=37.
So we just have to find the smallest one.
--
Don Reble djr at nk.ca