A004552 - OEIS

%I #16 Sep 08 2022 08:44:33

%S 1,5,0,6,0,4,4,0,2,1,4,1,0,1,6,6,4,5,6,1,4,0,0,0,1,5,3,1,5,0,6,5,3,4,

%T 5,3,2,3,4,6,6,1,5,2,0,1,5,5,4,2,4,5,5,6,3,5,2,3,1,3,6,6,0,0,2,1,6,6,

%U 2,5,0,0,3,6,4,3,5,6,1,2,5,1,3,6,6,0,3,3,5,5,4,1,1,6,2,2,3,6,6,3,3,1,5,1,2,5,5,4,3,5,4,1,0,0,5,6,2,0,6,3

%N Expansion of sqrt(3) in base 7.

%H G. C. Greubel, <a href="/A004552/b004552.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[3],7,120][[1]]  (* _Harvey P. Dale_, Apr 29 2011 *)

%o (Magma) d:= 3; m:=7; Prune(Reverse(IntegerToSequence(Isqrt(d*m^100), m))); // _G. C. Greubel_, Mar 31 2018

%K nonn,base,cons

%O 1,2

%A _N. J. A. Sloane_

%E Corrected and extended by Harvey P. Dale, Apr 29 2011.