%N Primes formed by the initial digits of the decimal expansion of the square root of 5.
%C There is no other term with less than 111 digits.
%C a(4) has 1506 digits. - _Hiroaki Yamanouchi_, Sep 11 2014
%e Decimal expansion of sqrt(5) begins: 2.23606797749978969640917366... - _Wesley Ivan Hurt_, May 26 2014
%Y Cf. A005042, A007512, A072952, A119343.
%Y Cf. A002163 (Decimal Expansion of sqrt(5)).
%A _Felix Fröhlich_, May 23 2014