%I #4 Sep 11 2017 12:04:04
%S 601,346201,7282588256957615350925401,
%T 615840114784814774501200690134862345946783236130283731411280186824640601,
%U 4298038738591350241903359894361937263902417766066948735111854394786520954312466554848504069671001
%N Primes of the form (24^k - 1) / 23.
%t Select[Table[(24^k - 1) / 23, {k, 0, 100}], PrimeQ[#] &]
%Y Cf. A127998.
%K nonn
%O 1,1
%A _Robert Price_, Sep 08 2017