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 A104999 #11 May 21 2025 07:04:28 %S A104999 389,227,131,557,127,257,379,607,577,431,179,947,773,547,661,127,733, %T A104999 337,839,607,107,239,947,269,647,523,487,757,541,467,281,293,331,101, %U A104999 193,337,997,953,307,751,823,947,479,991,587,877,683,239,727,883,461 %N A104999 Primes from merging of 3 successive digits in decimal expansion of exp(2). %H A104999 Vincenzo Librandi, <a href="/A104999/b104999.txt">Table of n, a(n) for n = 1..1000</a> %H A104999 The first <a href="http://www.worldwideschool.org/library/books/sci/math/MiscellaneousMathematicalConstants/chap21.html">5,000 digits of exp(2)</a> as calculated by _Simon Plouffe_ at WorldWideSchool.org. [broken link] %H A104999 Eric Weisstein, <a href="https://mathworld.wolfram.com/ExponentialFunction.html">Exponential Functions </a> %t A104999 Select[FromDigits/@Partition[RealDigits[Exp[2], 10, 500][[1]], 3, 1],#>99&&PrimeQ[#]&] (* _Vincenzo Librandi_, Apr 26 2013 *) %Y A104999 Cf. A072334 %K A104999 nonn,base %O A104999 1,1 %A A104999 Andrew G. West (WestA(AT)wlu.edu), Mar 31 2005