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%I #16 Sep 08 2022 08:44:33
%S 1,3,6,4,8,5,8,0,5,5,7,8,6,1,5,3,0,3,6,0,8,1,7,4,6,6,8,1,6,7,3,8,3,3,
%T 0,8,4,7,1,5,7,2,2,5,3,2,2,0,7,6,5,1,1,8,5,5,5,5,5,6,6,7,8,2,2,3,1,5,
%U 4,7,7,0,3,7,5,0,5,3,7,6,3,8,2,8,5,5,4,2,0,0,3,2,5,2,8,7,2,4,8,2,4,2
%N Expansion of sqrt(2) in base 9.
%H G. C. Greubel, <a href="/A004546/b004546.txt">Table of n, a(n) for n = 1..10000</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], 9, 100][[1]] (* _G. C. Greubel_, Mar 31 2018 *)
%o (Magma) Prune(Reverse(IntegerToSequence(Isqrt(2*9^204),9))); // _Jason Kimberley_, Feb 2012
%K nonn,base,cons,easy
%O 1,2
%A _N. J. A. Sloane_
%E More terms from _Jason Kimberley_, Feb 2012