%I #9 Jan 29 2015 10:46:48
%S 1,6,7,4,9,2,7
%N Decimal expansion of neutron mass (kg).
%H NIST, <a href="http://physics.nist.gov/cgi-bin/cuu/Value?mn">CODATA Value: neutron mass</a>
%H a(-19) is 2, 3 or 4.
%e m_n = 1.674927351(74) x 10^-27 kg.
%Y Cf. A003675, A070059, A081801.
%K nonn,cons
%O -26,2
%A _Omar E. Pol_, Nov 07 2013