%I #9 May 09 2021 09:56:46
%S 3,5,1,6,0,5,3,0,9,0,9,3,8,3,1,4,4,6,8,8,7,9,4,8,1,0,4,7,7,8,8,0,6,7,
%T 3,4,9,8,2,8,1,7,5,8,3,6,2,1,3,2,2,8,6,1,9,8,0,5,1,4,5,2,3,7,1,1,5,3,
%U 7,7,6,4,9,1,5,1,9,7,6,1,1,5,4,7,2,2,0,8,9,6,3,3,4
%N Decimal expansion of sqrt(61/2 + 18*sqrt(3) + 30*sqrt(1+sqrt(3)))/3.
%C Decimal expansion of the volume of a gyroelongated triangular cupola with unit edge length whose faces are all regular.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Gyroelongated_triangular_cupola">Gyroelongated triangular cupola</a>
%e 3.516053090938314468879...
%t RealDigits[Sqrt[61/2 + 18 Sqrt[3] + 30 Sqrt[1 + Sqrt[3]]]/3, 10, 200][[1]]
%Y Cf. A344077 (gyroelongated triangular cupola surface area).
%K cons,nonn
%O 1,1
%A _Wesley Ivan Hurt_, May 08 2021
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