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 A095935 #8 Oct 31 2013 12:17:24 %S A095935 2,71,271,4523,74713,904523,2718281,72407663,360287471,7427466391, %T A095935 75724709369,749669676277,8284590452353,99959574966967, %U A095935 724709369995957,2470936999595749,28459045235360287,571382178525166427 %N A095935 First prime of length n encountered in the decimal representation of e. %t A095935 f[n_] := Select[FromDigits /@ Partition[ First[ RealDigits[E, 10, 1000]], n, 1], PrimeQ, 1][[1]]; Array[f, 20] (* _Robert G. Wilson v_, Nov 14 2011 *) %Y A095935 Cf. A007512. %K A095935 base,nonn %O A095935 1,1 %A A095935 Mark Cooke (rm_cooke(AT)yahoo.com), Jul 12 2004