%I #41 Oct 14 2018 05:29:15
%S 4,3,6,1,9,9,1,3
%N Decimal expansion of reciprocal of fine-structure constant alpha divided by Pi.
%F n_e = 1/(alpha*Pi).
%F Equals 1/(A003673*A000796) = A005600/A000796.
%e 137.0359991.../3.14159265... = 43.619913...
%Y Cf. A000796, A001620, A003673, A003678, A005600, A081800.
%K nonn,cons
%O 2,1
%A _Omar E. Pol_, Sep 24 2018