A093822 Decimal expansion of -109/121 - 82/(121*sqrt(3)) + (2*sqrt(-35139 + 28634*sqrt(3)))/121 - Pi/3 + arccos((-1 + sqrt(3))/2).

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

Table of n, a(n) for n=0..101.

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

Cf. A010527, A093821.

Sequence in context: A370000 A154211 A019723 * A356810 A011360 A244091

Adjacent sequences: A093819 A093820 A093821 * A093823 A093824 A093825

Keyword

nonn,cons,easy

Author

Eric W. Weisstein, Apr 16 2004

Status

approved