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 A101457 #4 Mar 14 2015 17:22:07 %S A101457 3,3,7,2,5,3,3,5,3,7,7,2,3,7,5,7,2,2,3,5,2,2,7,5,2,2,2,7,7,2,7,2,3,3, %T A101457 7,7,5,7,5,3,7,5,2,2,3,3,2,2,2,3,5,3,3,7,3,7,7,2,3,5,3,3,3,5,5,3,5,2, %U A101457 5,3,3,2,2,3,2,2,2,7,7,5,2,7,2,5,7,2,7,3,2,2,2,3,2,2,5,2,2,3,3,3,7,5,7,2,2 %N A101457 Prime digits in the decimal expansion of golden ratio phi (or tau) = (1 + sqrt 5 )/2. %t A101457 Select[ RealDigits[ GoldenRatio, 10, 275][[1]], PrimeQ[ # ] &] (* _Robert G. Wilson v_, Jan 21 2005 *) %Y A101457 Cf. A001622, A073264, A073246. %K A101457 base,easy,nonn %O A101457 0,1 %A A101457 Sebastian Gutierrez (sgutierr(AT)alum.mit.edu), Jan 20 2005 %E A101457 More terms from _Robert G. Wilson v_, Jan 21 2005