cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A005481 Decimal expansion of cube root of 5.

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%I A005481 M4319 #38 Feb 11 2025 14:41:57
%S A005481 1,7,0,9,9,7,5,9,4,6,6,7,6,6,9,6,9,8,9,3,5,3,1,0,8,8,7,2,5,4,3,8,6,0,
%T A005481 1,0,9,8,6,8,0,5,5,1,1,0,5,4,3,0,5,4,9,2,4,3,8,2,8,6,1,7,0,7,4,4,4,2,
%U A005481 9,5,9,2,0,5,0,4,1,7,3,2,1,6,2,5,7,1,8,7,0,1,0,0,2,0,1,8,9,0,0,2,2,0,4,5,0
%N A005481 Decimal expansion of cube root of 5.
%D A005481 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H A005481 Harry J. Smith, <a href="/A005481/b005481.txt">Table of n, a(n) for n = 1..20000</a>
%H A005481 <a href="/index/Al#algebraic_03">Index entries for algebraic numbers, degree 3</a>.
%e A005481 1.7099759466766969893531088725438601098680551105430549243828617074442959...
%p A005481 Digits := 200; root[3](5.) ; # _R. J. Mathar_, Oct 22 2007
%t A005481 RealDigits[N[5^(1/3), 200]] (* _Vladimir Joseph Stephan Orlovsky_, May 27 2010 *)
%t A005481 RealDigits[Surd[5,3],10,120][[1]] (* _Harvey P. Dale_, Jan 08 2023 *)
%o A005481 (PARI) { default(realprecision, 20080); x=5^(1/3); for (n=1, 20000, d=floor(x); x=(x-d)*10; write("b005481.txt", n, " ", d)); } \\ _Harry J. Smith_, May 07 2009
%Y A005481 Cf. A002948 = Continued fraction. - _Harry J. Smith_, May 07 2009
%K A005481 nonn,cons
%O A005481 1,2
%A A005481 _N. J. A. Sloane_
%E A005481 More terms from _R. J. Mathar_, Oct 22 2007