

A228127


Numbers n such that first n digits of A091724 (Decimal expansion of E^(2*EulerGamma)) gives a prime number.


0




OFFSET

1,2


COMMENTS

a(5) > 10^4.


LINKS



MATHEMATICA

nn=1100; With[{c=RealDigits[E^(2*EulerGamma), 10, nn][[1]]}, Select[ Range[ nn], PrimeQ[FromDigits[Take[c, #]]]&]] (* Harvey P. Dale, Nov 13 2014 *)


CROSSREFS



KEYWORD

nonn,more,base


AUTHOR



STATUS

approved



