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%I #14 Oct 30 2019 08:26:22
%S 323841107,428167213,266498119,981196217,621763019,776254769,
%T 625476947,226191961,196199579,594315947,332028773,903872747,
%U 640878659,259957741,488380787,322599713,485407553,573394231,319149829,418086217,303248753
%N Primes from merging of 9 successive digits in decimal expansion of Catalan's constant.
%H Vincenzo Librandi, <a href="/A104923/b104923.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, 500][[1]], 9, 1], PrimeQ[#]&&#>99999999&] (* _Vincenzo Librandi_, Apr 23 2013 *)
%Y Cf. A006752 (Catalan's constant).
%Y Cf. A104916, A104917, A104918, A104919, A104920, A104921, A104922.
%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 23 2013