

A176940


Primes of the form 29^k + 10^k.


1




OFFSET

1,1


COMMENTS

If 29^k + 10^k is prime and k > 0, then k must be of the form 2^t. Because 29^k + 10^k is divisible by 29^m + 10^m, where m = A006519(k) and k > 0. Thus a(4) > 29^2^16 + 10^2^16.  Jinyuan Wang, May 30 2020


LINKS



PROG

(Magma) [ a: n in [0..1500]  IsPrime(a) where a is 29^n+10^n ]


CROSSREFS



KEYWORD

nonn,bref


AUTHOR



STATUS

approved



