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%I A179451 #9 Oct 30 2023 01:54:46
%S A179451 2,9,3,0,5,9,8,2,8,4,4,9,1,1,9,8,9,5,4,0,7,4,5,3,7,5,4,3,6,1,9,2,6,7,
%T A179451 7,0,2,7,6,0,2,5,1,6,3,0,9,1,7,4,2,8,3,0,9,0,7,6,4,1,7,1,3,8,1,5,4,6,
%U A179451 0,9,2,9,9,1,0,5,1,5,9,4,9,6,1,3,9,5,0,2,5,8,3,0,4,3,7,2,9,5,7,6,4,3,0,4,6
%N A179451 Decimal expansion of the surface area of an icosidodecahedron with side length 1.
%C A179451 Icosidodecahedron: 32 faces, 30 vertices, and 60 edges.
%H A179451 <a href="/index/Al#algebraic_08">Index entries for algebraic numbers, degree 8</a>
%F A179451 Sqrt(30*(10+3*sqrt(5)+sqrt(75+30*sqrt(5))))
%e A179451 29.3059828449119895407453754361926770276025163091742830907641713815460...
%t A179451 RealDigits[N[Sqrt[30*(10+3*Sqrt[5]+Sqrt[75+30*Sqrt[5]])],200]]
%o A179451 (PARI) polrootsreal(x^8 - 1200*x^6 + 324000*x^4 - 27000000*x^2 + 324000000)[8] \\ _Charles R Greathouse IV_, Oct 30 2023
%Y A179451 Cf. A010527, A102208, A179290, A179292, A179294, A179449, A179450.
%K A179451 nonn,cons,easy
%O A179451 2,1
%A A179451 _Vladimir Joseph Stephan Orlovsky_, Jul 14 2010
%E A179451 Partially rewritten by _Charles R Greathouse IV_, Feb 03 2011

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