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%I #35 Oct 19 2023 09:10:41
%S 2,4,3,4,3,3,0,6,6,5,4,2,4,6,0,3,3,2,3,3,3,2,6,1,3,6,2,4,6,6,1,5,6,6,
%T 2,3,0,4,2,2,0,0,2,3,1,3,5,2,5,2,0,6,4,4,3,1,5,6,1,4,5,1,0,6,0,2,2,3,
%U 3,2,1,3,5,5,3,5,5,4,1,6,2,1,2,2,1,5,3,5,6,0,3,5,2,0,1,0,5,1,6
%N Expansion of sqrt(7) in base 7.
%H G. C. Greubel, <a href="/A004574/b004574.txt">Table of n, a(n) for n = 1..10000</a> (terms 1..2000 from Vincenzo Librandi)
%H Jason Kimberley, <a href="/wiki/User:Jason_Kimberley/sqrt_base">Index of expansions of sqrt(d) in base b</a>
%t RealDigits[Sqrt[7], 7, 100][[1]] (* _G. C. Greubel_, Mar 25 2018 *)
%o (Magma) Prune(Reverse(IntegerToSequence(Isqrt(7*7^200), 7))); // _Vincenzo Librandi_, Apr 28 2017
%Y Cf. A010465.
%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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