This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A231350 #21 Nov 29 2013 23:38:13 %S A231350 4,1,0,8,2,3,5,8,9,9,7 %N A231350 Decimal expansion of the speed c/a in SI units [meter/second], where "c" is the speed of light in vacuum and "a" is the fine-structure constant (alpha). %C A231350 Also phase velocity of de Broglie wave of a particle whose velocity is equal to the Bohr N1 velocity (A081800). %C A231350 Note that this speed is greater than c. %F A231350 c^2/V_n1 = A003678 / A003673 = A003678 * A005600 = A182999 / A081800. %e A231350 Close to 41082358997 [m/s]. %Y A231350 Cf. A003673, A003678, A005600, A081800, A081801, A182999, A229952, A229962. %K A231350 nonn,cons %O A231350 11,1 %A A231350 _Omar E. Pol_, Nov 07 2013