I used the same mathematics based on Granville formula adapteg adapted for 2^n. But my solution need to be speed up to 100 times. So I decided, that you invented something cool for this this problem, but I was wrong =(

I used the same mathematics based on Granville formula adapteg for 2^n. But my solution need to be speed up to 100 times. So I decided, that you invented something cool for this this problem, but I was wrong =(