1,2

Also numbers n such that (29*10^n+43)/9 is prime.

Makoto Kamada, Factorizations of 322...227.

Index entries for primes involving repunits.

Do[ If[ PrimeQ[(29*10^n+43)/9], Print[n]], {n, 0, 10000}]

Sequence in context: A046198 A053875 A048538 this_sequence A091545 A101630 A005791

Adjacent sequences: A102964 A102965 A102966 this_sequence A102968 A102969 A102970

bref,more,nonn

Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 17 2004