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 A382004 #10 Mar 19 2025 07:40:11 %S A382004 8,4,2,9,7,7,7,6,7,7,2,4,8,8,7,1,6,7,1,7,8,7,6,4,9,5,7,1,8,4,5,8,7,3, %T A382004 7,5,9,3,5,9,8,1,1,0,2,4,4,8,0,6,4,2,9,0,3,9,8,7,6,6,5,2,3,1,4,3,0,5, %U A382004 7,0,2,5,6,7,4,3,0,2,5,8,4,6,1,2,4,9,7,0,8,9 %N A382004 Decimal expansion of the isoperimetric quotient of a tetrakis hexahedron. %C A382004 For the definition of isoperimetric quotient of a solid, references and links, see A381684. %H A382004 Paolo Xausa, <a href="/A382004/b382004.txt">Table of n, a(n) for n = 0..10000</a> %H A382004 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A382004 Equals 36*Pi*(A374359 + 1)^2/(A378388^3). %F A382004 Equals 3*Pi/(5*sqrt(5)) = (3/5)*A000796/A002163. %e A382004 0.84297776772488716717876495718458737593598110244806... %t A382004 First[RealDigits[3*Pi/5/Sqrt[5], 10, 100]] %Y A382004 Cf. A378388 (surface area), A374359 (volume - 1). %Y A382004 Cf. A000796, A002163, A381684. %K A382004 nonn,cons,easy %O A382004 0,1 %A A382004 _Paolo Xausa_, Mar 17 2025