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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.

A104936 Primes from merging of 2 successive digits in decimal expansion of the Euler-Mascheroni Constant.

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%I A104936 #17 Feb 16 2025 08:32:57
%S A104936 53,43,31,59,59,23,59,67,23,67,67,67,47,29,17,67,31,47,83,41,17,73,97,
%T A104936 23,53,53,37,29,37,73,37,73,37,67,73,79,59,47,73,67,53,23,31,17,61,11,
%U A104936 11,19,79,47,79,37,29,13,47,61,29,43,19,53,67,73,31,13,29,67,13,37,41
%N A104936 Primes from merging of 2 successive digits in decimal expansion of the Euler-Mascheroni Constant.
%C A104936 Leading zeros are not permitted, so each term is 2 digits in length. - _Harvey P. Dale_, Oct 30 2011
%H A104936 Vincenzo Librandi, <a href="/A104936/b104936.txt">Table of n, a(n) for n = 1..6000</a>
%H A104936 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Euler-MascheroniConstant.html">Euler-Mascheroni Constant</a>.
%H A104936 The first <a href="http://www.worldwideschool.org/library/books/sci/math/MiscellaneousMathematicalConstants/chap35.html">170,000 digits of the Euler Constant</a> as calculated by Jon Borwein at WorldWideSchool.org.
%t A104936 egp[len_]:=Module[{egterms=FromDigits/@Partition[RealDigits[EulerGamma, 10, 1000][[1]],len,1]},Select[egterms,IntegerLength[#]==len&&PrimeQ[#]&]];egp[2] (* _Harvey P. Dale_, Oct 30 2011 *)
%Y A104936 Cf. A198776.
%K A104936 nonn,base
%O A104936 1,1
%A A104936 Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005
%E A104936 Offset changed from 0 to 1 by _Vincenzo Librandi_, Apr 20 2013