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A004560 Expansion of sqrt(5) in base 7. 1

%I #17 Sep 08 2022 08:44:33

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

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

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

%N Expansion of sqrt(5) in base 7.

%H G. C. Greubel, <a href="/A004560/b004560.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], 7, 100][[1]] (* _G. C. Greubel_, Mar 31 2018 *)

%o (Magma) d:= 5; m:=7; 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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Last modified May 2 17:05 EDT 2024. Contains 372198 sequences. (Running on oeis4.)