%I #19 Feb 16 2025 08:32:45
%S 1,3,40,185,1038,22610,179849
%N Numbers n such that initial n digits in decimal portion of the Euler-Mascheroni constant form a prime number.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ConstantPrimes.html">Constant Primes</a>
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Euler-MascheroniConstantDigits.html">Euler-Mascheroni Constant Digits</a>
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IntegerSequencePrimes.html">Integer Sequence Primes</a>
%H <a href="/index/Con#constant_primes">Index entries related to "constant primes".</a>
%Y Cf. A047658, A057563, A001620.
%K base,nonn,changed
%O 1,2
%A _Jason Earls_, Dec 06 2001
%E a(6) = 22610 from _Eric W. Weisstein_, Apr 25 2006
%E a(7) = 179849 from _Eric W. Weisstein_, Jun 01 2011