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Decimal expansion of 180*arccos(7/8)/Pi.
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%I #5 Jul 19 2014 14:46:49

%S 2,8,9,5,5,0,2,4,3,7,1,8,5,9,8,4,7,7,5,7,5,4,2,0,6,9,5,9,8,2,5,4,3,3,

%T 2,0,1,0,2,6,3,1,9,5,2,4,9,1,1,3,2,3,2,9,5,2,1,0,0,2,3,6,0,1,7,7,0,2,

%U 5,8,7,1,6,1,4,5,4,9,0,3,1,3,4,9,1,7,8,1,9,5,8,6,6,7,1,4,3,6,6,5,1,7,1,6,3

%N Decimal expansion of 180*arccos(7/8)/Pi.

%C Angle in degrees of the least angle of the obtuse scalene triangle with sides of lengths 2, 3 and 4, the scalene triangle with least integer side lengths.

%C A140241 + A140243 + A140245 = 180.

%F 180*arccos(7/8)/Pi = 180*A140240/Pi.

%e 28.9550243718598477575420695982543320102631952491132329521002360177025871614...

%t RealDigits[(180*ArcCos[7/8])/Pi,10,120][[1]] (* _Harvey P. Dale_, Jul 19 2014 *)

%o (PARI) 180*acos(7/8)/Pi

%Y Cf. A140239, A140240, A140242, A140243, A140244, A140245, A140246, A140247, A140248, A140249.

%K cons,nonn

%O 2,1

%A _Rick L. Shepherd_, May 14 2008