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%I #41 Sep 08 2022 08:44:33
%S 1,0,0,0,1,1,1,1,0,0,0,1,1,0,1,1,1,0,1,1,1,1,0,0,1,1,0,1,1,1,0,0,1,0,
%T 1,1,1,1,1,1,1,0,1,0,0,1,0,1,0,0,1,1,1,1,1,0,0,0,0,0,1,0,1,0,1,1,1,1,
%U 1,0,0,1,1,1,0,0,1,1,1,0,0,1,1,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1
%N Expansion of sqrt(5) in base 2.
%H G. C. Greubel, <a href="/A004555/b004555.txt">Table of n, a(n) for n = 2..10000</a> (terms 2..1000 from Ivan Panchenko)
%H Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a>
%e 10.0011110001101110111100110111001011111110100101001111100000101011111001110...
%t RealDigits[Sqrt[5],2,120][[1]] (* _Harvey P. Dale_, Apr 08 2015 *)
%o (Magma) d:= 5; m:=2; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // _G. C. Greubel_, Mar 31 2018
%K nonn,base,cons
%O 2,1
%A _N. J. A. Sloane_
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