Is there a pair of prime numbers such that both n x 2^n +1 and n x 2^n -1 are prime if n is also prime? I conjecture that there is not such a pair.
As always I welcome the readers to prove or disprove this conjecture.
https://en.wikipedia.org/wiki/Woodall_number
https://en.wikipedia.org/wiki/Cullen_number
Thank you,
Nunghead