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%I #19 Dec 04 2022 16:31:20
%S 1,0,0,0,0,0,1,0,0,1,0,0,0,0,1,0,0,1,0,1,0,0,0,0,0,1,0,1,0,1,0,0,1,0,
%T 0,0,0,0,0,1,0,1,0,1,0,0,0,0,1,0,1,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,1,0,
%U 1,0,0,0,1,0,1,0,0,0,0,0,1,0,1,0,0,1
%N Expansion of sqrt(3) in base phi where phi = (1+sqrt(5))/2.
%F sqrt(3) = phi + 1/phi^5 + 1/phi^8 + 1/phi^13 + 1/phi^16 + ...
%e 10.00001001000010010100000101010010000001010100001010101... base phi.
%t RealDigits[Sqrt[3],GoldenRatio,90][[1]] (* _Harvey P. Dale_, Dec 04 2022 *)
%o (PARI)
%o alist(len) = {
%o my(phi = quadgen(5), w=phi^2, t = 0);
%o vector(len, i,
%o w /= phi;
%o if ( ( t + w )^2 <= 3,
%o t += w;
%o 1,
%o 0))
%o };
%o print(alist(300));
%Y Cf. A001622, A002194, A004547.
%K nonn,cons,base
%O 2
%A _Chittaranjan Pardeshi_, Apr 29 2022