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%I #17 Sep 08 2022 08:44:33
%S 1,1,0,2,0,1,1,2,2,1,2,2,2,0,0,1,2,1,2,2,1,2,2,2,0,0,1,1,2,1,0,0,0,1,
%T 0,2,0,0,0,2,2,0,1,2,1,1,1,2,0,2,0,2,2,0,1,2,0,2,1,1,0,2,2,1,0,1,0,0,
%U 0,2,2,1,1,2,1,0,1,1,2,2,1,0,2,0,2,1,2,1,0,0,2,0,2,0,0,2,1,2,0
%N Expansion of sqrt(2) in base 3.
%H Vincenzo Librandi, <a href="/A004540/b004540.txt">Table of n, a(n) for n = 1..5000</a>
%H Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a>
%t RealDigits[Sqrt[2],3,120][[1]] (* _Harvey P. Dale_, Sep 20 2016 *)
%o (Magma) Prune(Reverse(IntegerToSequence(Isqrt(2*3^200), 3))); // _Vincenzo Librandi_, Jan 07 2018
%Y Cf. A002193, A004539, A004541.
%Y Cf. A004549, A004559, A004575.
%K nonn,base,cons
%O 1,4
%A _N. J. A. Sloane_
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