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 A104850 #13 May 24 2023 18:09:01
%S A104850 360287471,526059563,132328627,862794349,573834187,383418793,
%T A104850 879307021,154089149,675092447,509244761,234544243,907774499,
%U A104850 744992069,551702761,860626133,331384583,297606737,976067371,113200709,704723069,108657463
%N A104850 Primes from merging of 9 successive digits in decimal expansion of e.
%C A104850 Leading zeros are not permitted, so each term is 9 digits in length. - _Harvey P. Dale_, Oct 23 2011
%H A104850 Vincenzo Librandi, <a href="/A104850/b104850.txt">Table of n, a(n) for n = 1..1000</a>
%t A104850 With[{len=9},FromDigits/@Select[Partition[RealDigits[E,10,1000][[1]], len,1],PrimeQ[ FromDigits[ #]]&&IntegerLength[FromDigits[#]]==len&]] (* _Harvey P. Dale_, Oct 23 2011 *)
%Y A104850 Cf. A104843-A104862.
%K A104850 nonn,base
%O A104850 1,1
%A A104850 Andrew G. West (WestA(AT)wlu.edu), Mar 27 2005
%E A104850 Offset changed from 0 to 1 by _Vincenzo Librandi_, Apr 21 2013