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 A273633 #26 Jun 29 2023 09:02:44 %S A273633 6,7,1,1,3,9,2,9,1,3,1,2,8,5,0,3,6,9,4,9,2,0,2,9,0,6,1,6,6,4,4,4,5,1, %T A273633 3,1,7,5,7,9,1,6,8,4,6,2,0,7,4,7,5,1,2,4,2,1,3,8,9,9,7,1,2,6,7,8,2,0, %U A273633 5,8,2,9,1,3,6,9,7,5,9,4,5,1,6,2,4,0 %N A273633 Decimal expansion of (Pi/(6*sqrt(3)))^(1/3), the sphericity of the tetrahedron. %H A273633 Wikipedia, <a href="http://en.wikipedia.org/wiki/Sphericity">Sphericity</a>. %H A273633 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>. %F A273633 Equals cube root of A093766. - _Michel Marcus_, May 27 2016 %e A273633 0.67113929131285036949202906166444513175791684620747512421389971... %t A273633 RealDigits[Surd[Pi/(6*Sqrt[3]), 3], 10, 120][[1]] (* _Amiram Eldar_, Jun 29 2023 *) %o A273633 (PARI) default(realprecision, 50080); my(x=(Pi/(6*sqrt(3)))^(1/3)); for(k=1, 100, my(d=floor(x)); x=(x-d)*10; print1(d, ", ")) %Y A273633 Cf. A093766, A273634, A273635, A273636, A273637. %K A273633 nonn,cons %O A273633 0,1 %A A273633 _Felix Fröhlich_, May 27 2016 %E A273633 Definition corrected by _Georg Fischer_, Jul 12 2021