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%I #7 Aug 17 2013 23:42:44
%S 4,144,227,444,19474
%N Numbers n such that first n digits of Soldner's constant gives a prime number.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/ConstantPrimes.html">Constant Primes</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/IntegerSequencePrimes.html">Integer Sequence Primes</a>
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SoldnersConstant.html">Soldner's Constant</a>
%Y Cf. A070769, A122421.
%K nonn,more,base
%O 1,1
%A _Eric W. Weisstein_, Sep 03 2006
%E a(5) = 19474 from _Eric W. Weisstein_, Sep 06 2006