Quote:
Originally Posted by gd_barnes
Is this the lowest base where k=2 is the Sierpinski number?

This k was generated from looking at (x^2)^n1 factorisations covering set is 3,5,17,257,641,65537,6700417 which I think is 32cover. I do not think anyone has claimed it is the smallest k, it just comes from the smallestcover.