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Decimal expansion of 1/sqrt(55).
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%I #12 Dec 30 2023 17:55:42

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

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

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

%N Decimal expansion of 1/sqrt(55).

%H Ivan Panchenko, <a href="/A020812/b020812.txt">Table of n, a(n) for n = 0..1000</a>

%t RealDigits[N[1/Sqrt[55], 200]] (* _Vladimir Joseph Stephan Orlovsky_, Jun 12 2011 *)

%t RealDigits[1/Sqrt[55],10,120][[1]] (* _Harvey P. Dale_, Dec 30 2023 *)

%K nonn,cons,easy

%O 0,2

%A _N. J. A. Sloane_.