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Decimal expansion of 1/sqrt(23).
1

%I #15 Jan 30 2025 15:37:58

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

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

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

%N Decimal expansion of 1/sqrt(23).

%H Ivan Panchenko, <a href="/A020780/b020780.txt">Table of n, a(n) for n = 0..1000</a>

%e 0.208514414057074762678149481050551909565074219213223015064578657... - _Vladimir Joseph Stephan Orlovsky_, May 30 2010

%t RealDigits[1/Sqrt[23],10,200][[1]] (* _Vladimir Joseph Stephan Orlovsky_, May 30 2010 *)

%o (PARI) 1/sqrt(23) \\ _Stefano Spezia_, Jan 30 2025

%K nonn,cons,easy,changed

%O 0,1

%A _N. J. A. Sloane_