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A268604
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Decimal expansion of 6/sqrt(sqrt(3)).
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2
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4, 5, 5, 9, 0, 1, 4, 1, 1, 3, 9, 0, 9, 5, 5, 5, 2, 8, 3, 9, 8, 7, 1, 2, 6, 5, 0, 3, 9, 2, 7, 2, 7, 2, 0, 1, 2, 3, 8, 0, 6, 4, 0, 6, 9, 3, 3, 2, 3, 8, 6, 1, 9, 1, 1, 6, 6, 7, 7, 3, 1, 9, 2, 2, 2, 0, 1, 9, 3, 3, 3, 9, 9, 0, 2, 6, 2, 8, 3, 6, 2, 9, 5, 6, 6, 4, 6, 3, 6, 8, 4
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OFFSET
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1,1
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COMMENTS
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This is the smallest possible perimeter index P/sqrt(A), with P being the perimeter and A the enclosed area, among all triangles, and sets of triangles, in the Euclidean plane. The minimum value is attained by a single equilateral triangle. See also A019707.
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LINKS
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EXAMPLE
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4.559014113909555283987126503927272012380640693323861911667731922...
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MATHEMATICA
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RealDigits[6/Sqrt[Sqrt[3]], 10, 100][[1]] (* Bruno Berselli, Feb 09 2016 *)
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PROG
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(PARI) a=6/sqrt(sqrt(3))
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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