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 A073246 #7 Nov 03 2015 08:45:51 %S A073246 2,7,2,2,5,5,2,3,5,3,2,7,7,3,5,2,2,7,7,5,7,2,7,3,5,5,7,7,2,7,7,2,7,3, %T A073246 3,5,3,5,7,5,5,7,3,2,7,5,2,5,2,7,2,7,3,3,2,3,5,2,7,3,5,2,3,5,7,2,3,3, %U A073246 2,5,2,5,5,3,7,3,3,2,3,2,2,7,3,7,3,2,3,3,2,7,5,3,5,2,5,5,7,3,3,7,3,7,2,5,3 %N A073246 Prime digits in the decimal expansion of e. %e A073246 e =2.718281... so we get 2,7,2... %t A073246 Select[RealDigits[E,10,300][[1]],PrimeQ] (* _Harvey P. Dale_, Nov 03 2015 *) %Y A073246 Cf. A001113. %K A073246 easy,nonn,base %O A073246 0,1 %A A073246 Y. Kelly Itakura (yitkr(AT)mta.ca), Aug 22 2002 %E A073246 More terms from _Benoit Cloitre_, Aug 27 2002