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%I #17 Sep 08 2022 08:44:33
%S 2,1,7,0,6,7,3,6,3,3,4,5,7,7,2,2,4,7,6,0,2,5,7,4,7,1,6,3,0,0,3,0,0,5,
%T 6,3,5,5,6,2,0,3,2,0,2,0,4,0,4,2,3,5,5,3,7,4,7,2,1,1,6,2,2,4,3,7,4,1,
%U 5,4,3,2,4,1,0,7,2,0,6,0,3,0,7,2,2,5,1,1,6,6,3,7,6,0,5,4,2,5,1
%N Expansion of sqrt(5) in base 8.
%H G. C. Greubel, <a href="/A004561/b004561.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[5], 8, 100][[1]] (* _G. C. Greubel_, Mar 31 2018 *)
%o (Magma) d:= 5; m:=8; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // _G. C. Greubel_, Mar 31 2018
%K nonn,base,cons
%O 1,1
%A _N. J. A. Sloane_
%E Updated by _Alois P. Heinz_ at the suggestion of Kevin Ryde, Feb 19 2012
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