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A093822
Decimal expansion of -109/121 - 82/(121*sqrt(3)) + (2*sqrt(-35139 + 28634*sqrt(3)))/121 - Pi/3 + arccos((-1 + sqrt(3))/2).
1
8, 4, 4, 1, 3, 7, 1, 2, 3, 7, 9, 5, 6, 3, 7, 6, 8, 1, 0, 6, 3, 0, 8, 7, 1, 3, 8, 0, 2, 9, 5, 2, 2, 6, 5, 4, 5, 1, 8, 4, 5, 1, 7, 4, 9, 8, 6, 6, 2, 7, 5, 9, 4, 2, 6, 2, 4, 8, 4, 9, 6, 8, 1, 6, 6, 4, 9, 6, 9, 8, 2, 9, 4, 0, 1, 0, 3, 9, 4, 1, 4, 6, 2, 2, 9, 9, 8, 0, 9, 6, 7, 0, 5, 8, 1, 6, 0, 1, 9, 8, 6, 9
OFFSET
0,1
COMMENTS
Area of lamina found by Sprague in the Lebesgue minimal problem.
LINKS
Eric Weisstein's World of Mathematics, Lebesgue Minimal Problem
EXAMPLE
0.844137123...
MATHEMATICA
RealDigits[-109/121-82/(121Sqrt[3])+(2Sqrt[-35139+28634Sqrt[3]])/121-Pi/3+ ArcCos[(-1+Sqrt[3])/2], 10, 120][[1]] (* Harvey P. Dale, Sep 22 2020 *)
CROSSREFS
Sequence in context: A370000 A154211 A019723 * A356810 A011360 A244091
KEYWORD
nonn,cons,easy
AUTHOR
Eric W. Weisstein, Apr 16 2004
STATUS
approved