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 A382009 #6 Mar 20 2025 09:27:37 %S A382009 9,0,5,1,8,0,8,0,1,7,4,0,2,2,9,7,9,7,6,5,2,8,5,0,2,4,1,7,9,3,5,5,3,5, %T A382009 8,3,3,0,0,1,7,6,0,0,6,7,2,5,5,6,8,2,8,3,8,4,3,6,7,9,2,7,1,5,4,7,1,6, %U A382009 8,1,7,5,6,9,7,6,8,8,3,6,8,9,0,4,0,9,6,7,9,7 %N A382009 Decimal expansion of the isoperimetric quotient of a triakis icosahedron. %C A382009 For the definition of isoperimetric quotient of a solid, references and links, see A381684. %H A382009 Paolo Xausa, <a href="/A382009/b382009.txt">Table of n, a(n) for n = 0..10000</a> %H A382009 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A382009 Equals 36*Pi*A378974^2/(A378973^3). %F A382009 Equals (Pi/183)*sqrt((169753 + 75771*sqrt(5))/122) = (A000796/183)*sqrt((169753 + 75771*A002163)/122). %e A382009 0.9051808017402297976528502417935535833001760067... %t A382009 First[RealDigits[Pi/183*Sqrt[(169753 + 75771*Sqrt[5])/122], 10, 100]] %Y A382009 Cf. A378973 (surface area), A378974 (volume). %Y A382009 Cf. A000796, A002163, A381684. %K A382009 nonn,cons,easy %O A382009 0,1 %A A382009 _Paolo Xausa_, Mar 20 2025