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%I #16 Oct 30 2019 08:26:29
%S 23841107,42664981,76301977,57442261,74422619,57903589,35898803,
%T 33202877,28773319,46051903,19038727,78164087,64841521,83807873,
%U 80787337,51132259,11322599,13225997,82357339,73394231,29836189
%N Primes from merging of 8 successive digits in decimal expansion of Catalan's constant.
%H Vincenzo Librandi, <a href="/A104922/b104922.txt">Table of n, a(n) for n = 1..1000</a>
%H Greg Fee, <a href="http://www.gutenberg.org/ebooks/634">Decimal Expansion of Catalan's Constant</a> done to 50000 digits.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/CatalansConstant.html">Catalan's Constant</a>
%t Select[FromDigits/@Partition[RealDigits[Catalan, 10, 1000][[1]], 8, 1], PrimeQ[#]&&#>9999999&] (* _Vincenzo Librandi_, Apr 22 2013 *)
%Y Cf. A006752 (Catalan's constant).
%Y Cf. A104916, A104917, A104918, A104919, A104920, A104921, A104923.
%K nonn,base
%O 1,1
%A Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005
%E Changed offset from 0 to 1 by _Vincenzo Librandi_, Apr 22 2013
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