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Decimal expansion of (2+sqrt(6))/2.
1

%I #5 Nov 21 2013 12:50:02

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

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

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

%N Decimal expansion of (2+sqrt(6))/2.

%C Continued fraction expansion of (2+sqrt(6))/2 is A010694.

%C a(n) = A115754(n) for n > 1; a(1) = 2.

%e (2+sqrt(6))/2 = 2.22474487139158904909...

%t RealDigits[(2+Sqrt[6])/2,10,120][[1]] (* _Harvey P. Dale_, Apr 21 2011 *)

%Y Cf. A010464 (decimal expansion of sqrt(6)), A115754 (decimal expansion of sqrt(3/2)), A010694 (repeat 2, 4).

%K cons,nonn

%O 1,1

%A _Klaus Brockhaus_, Apr 07 2010