This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A292071 #4 Sep 11 2017 20:06:31
%S A292071 47,9684836827,869333244926326187979597262939,
%T A292071 56436777630861204610228497995848224493886299348863214641450495790307809339190661333386939668397177299125252187
%N A292071 Primes of the form (46^k - 1) / 45.
%t A292071 Select[Table[(46^k - 1) / 45, {k, 0, 100}], PrimeQ[#] &]
%Y A292071 Cf. A243279.
%K A292071 nonn
%O A292071 1,1
%A A292071 _Robert Price_, Sep 08 2017