> The solution of a problem I am working on requires primes of the form
>
> 2^(k-1) + k = prime
>
> So far the only values I can find with k < 1000 are k = 1, 3, 7, and 237.
> Can anyone confirm this? Also, can anyone find any more values of k that
> produce primes?
Maple does confirm and is still working for more values.
It found already k=1885.
Helmut Zeisel