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 A104084 #5 Dec 20 2014 11:48:04 %S A104084 2,7,53,347,2411,16811,117659,823547,5764817,40353611,282475267, %T A104084 1977326753,13841287217,96889010447,678223072853,4747561510009, %U A104084 33232930569607,232630513987231,1628413597910497,11398895185373167 %N A104084 Smallest prime >= 7^n. %t A104084 NextPrime[#]&/@(7^Range[0,20]-1) (* _Harvey P. Dale_, Dec 20 2014 *) %o A104084 (PARI) g(n,b) = for(x=0,n,print1(nextprime(b^x)",")) %K A104084 easy,nonn %O A104084 0,1 %A A104084 _Cino Hilliard_, Mar 03 2005