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 A336274 #8 Jul 16 2020 02:31:26 %S A336274 9,4,1,1,5,6,3,2,2,1,9,4,8,3,0,0,8,0,0,5,2,8,0,0,4,1,9,4,3,4,1,8,3,7, %T A336274 9,3,9,2,6,2,3,1,4,4,0,1,5,5,3,5,3,9,8,0,2,7,6,4,6,6,1,5,7,2,8,8,6,0, %U A336274 5,1,8,9,8,0,5,3,0,1,7,9,0,6,3,6,1,9,9 %N A336274 Decimal expansion of the dimensionless coefficient of the Coulomb self-energy of a uniformly charged three-dimensional cube. %C A336274 Coulomb self-energy of a system of electric charges is the total electrostatic potential energy of interaction between charge elements. %C A336274 For a uniformly charged three-dimensional cube with a total charge Q and an edge length L it is equal to c * k*Q^2/L, where k is the Coulomb constant (A182999) and c is this constant. %H A336274 Orion Ciftja, <a href="https://doi.org/10.1016/j.physleta.2010.12.029">Coulomb self-energy of a uniformly charged three-dimensional cube</a>, Physics Letters A, Vol. 375, No. 3 (2011), pp. 766-767, <a href="https://www.researchgate.net/publication/251584942_Coulomb_self-energy_of_a_uniformly_charged_three-dimensional_cube">alternative link</a>. %H A336274 Wikipedia, <a href="https://en.wikipedia.org/wiki/Electric_potential_energy">Electric potential energy</a>. %F A336274 Equals (1 + sqrt(2) - 2*sqrt(3))/5 - Pi/3 + log((1 + sqrt(2)) * (2 + sqrt(3))). %e A336274 0.94115632219483008005280041943418379392623144015535... %t A336274 RealDigits[(1 + Sqrt[2] - 2*Sqrt[3])/5 - Pi/3 + Log[(1 + Sqrt[2])*(2 + Sqrt[3])], 10, 100][[1]] %o A336274 (PARI) (1 + sqrt(2) - 2*sqrt(3))/5 - Pi/3 + log((1+sqrt(2))*(2+sqrt(3))) \\ _Michel Marcus_, Jul 15 2020 %Y A336274 Cf. A085469, A182999, A336275. %K A336274 nonn,cons %O A336274 0,1 %A A336274 _Amiram Eldar_, Jul 15 2020