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 A106105 #8 Mar 30 2012 18:37:59 %S A106105 5,59,557,569,577,587,599,659,757,857,859,5557,5569,5657,5659,5669, %T A106105 5689,5779,5857,5867,5869,5879,5897,5987,6569,6577,6599,6659,6857, %U A106105 6959,7559,7577,7589,7757,7759,8597,8599,9587,9857,9859,55579,55589,55667,55697 %N A106105 Primes with minimal digit = 5. %t A106105 Select[Prime[Range[800]], Min[IntegerDigits[ # ]]==5&] %K A106105 nonn,base %O A106105 1,1 %A A106105 _Zak Seidov_, May 07 2005 %E A106105 More terms from _Vincenzo Librandi_, Apr 17 2010