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 A343965 #14 Jul 01 2023 15:02:58 %S A343965 8,7,1,4,0,4,5,2,0,7,9,1,0,3,1,6,8,2,9,3,3,8,9,6,2,4,1,4,0,3,2,3,2,6, %T A343965 9,2,8,5,6,5,5,7,2,9,1,7,9,2,3,1,6,0,2,4,3,9,2,2,2,6,5,7,9,3,3,0,2,4, %U A343965 4,1,5,9,4,8,7,3,6,9,0,1,2,9,5,0,1,2,9,1,7,8,1,0,9,2,1,3,8,5,7,5 %N A343965 Decimal expansion of 4 + 10*sqrt(2)/3. %C A343965 Volume of a rhombicuboctahedron with unit edge length. %C A343965 Apart from the leading digit and offset the same as A131594. - _R. J. Mathar_, May 07 2021 %H A343965 Wikipedia, <a href="https://en.wikipedia.org/wiki/Rhombicuboctahedron">Rhombicuboctahedron</a> %e A343965 8.7140452079103168293389624140323269285655729... %t A343965 RealDigits[N[4 + 10*Sqrt[2]/3, 100]][[1]] (* _Wesley Ivan Hurt_, Nov 12 2022 *) %o A343965 (Magma) SetDefaultRealField(RealField(100)); 4+10*Sqrt(2)/3; %Y A343965 Cf. A343964 (rhombicuboctahedron surface area). %K A343965 nonn,cons %O A343965 1,1 %A A343965 _Wesley Ivan Hurt_, May 05 2021