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 A382007 #7 Mar 20 2025 09:27:24 %S A382007 8,7,2,6,2,8,3,2,9,1,2,8,6,9,9,7,5,5,5,1,3,4,9,9,9,7,4,4,6,8,5,1,4,6, %T A382007 7,5,7,3,3,0,1,8,7,4,5,9,8,4,6,2,0,6,6,8,9,2,6,8,1,4,4,8,1,0,4,1,7,8, %U A382007 8,0,3,9,1,3,9,9,5,7,8,9,2,8,9,6,8,9,8,6,5,7 %N A382007 Decimal expansion of the isoperimetric quotient of a pentagonal icositetrahedron. %C A382007 For the definition of isoperimetric quotient of a solid, references and links, see A381684. %H A382007 Paolo Xausa, <a href="/A382007/b382007.txt">Table of n, a(n) for n = 0..10000</a> %H A382007 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a> %F A382007 Equals 36*Pi*A378824^2/(A378823^3). %F A382007 Equals Pi*r = A000796*r, where r is the largest real root of 1936363968*x^6 - 149531184*x^4 + 10260*x^2 - 1. %e A382007 0.87262832912869975551349997446851467573301874598462... %t A382007 First[RealDigits[Pi*Root[1936363968*#^6 - 149531184*#^4 + 10260*#^2 - 1 &, 2], 10, 100]] %Y A382007 Cf. A378823 (surface area), A378824 (volume). %Y A382007 Cf. A000796, A381684. %K A382007 nonn,cons,easy %O A382007 0,1 %A A382007 _Paolo Xausa_, Mar 19 2025