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.

A217458 Decimal expansion of 2^(Pi*sqrt(2)).

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%I A217458 #30 Sep 08 2022 08:46:04
%S A217458 2,1,7,4,9,0,8,7,0,5,4,3,7,7,4,5,8,3,3,4,0,9,9,2,0,8,2,6,6,0,1,1,3,9,
%T A217458 5,2,3,3,8,5,8,8,4,0,8,8,9,7,4,1,8,4,2,6,7,5,9,7,7,6,7,1,9,8,0,3,8,8,
%U A217458 3,5,0,6,9,8,2,6,2,0,5,4,6,1,0,2,1,2,7,5,6,1,7,6,4,7,3,7,9,0,0,8
%N A217458 Decimal expansion of 2^(Pi*sqrt(2)).
%H A217458 G. C. Greubel, <a href="/A217458/b217458.txt">Table of n, a(n) for n = 2..10000</a>
%e A217458 21.7490870543774583340992082660113952338588408897418426759...
%t A217458 RealDigits[2^(Pi*Sqrt[2]), 10, 100][[1]] (* _G. C. Greubel_, Oct 05 2018 *)
%o A217458 (Sage) 2^(pi*sqrt(2)).n(digits=100)
%o A217458 (Maxima) fpprec : 100; ev(bfloat(2^(%pi*sqrt(2)))); /* _Martin Ettl_, Oct 04 2012 */
%o A217458 (PARI) default(realprecision, 100); 2^(Pi*sqrt(2)) \\ _G. C. Greubel_, Oct 05 2018
%o A217458 (Magma) SetDefaultRealField(RealField(100)); R:=RealField(); 2^(Pi(R)*Sqrt(2)); // _G. C. Greubel_, Oct 05 2018
%Y A217458 Cf. A063448 (Pi * sqrt(2)).
%K A217458 nonn,cons
%O A217458 2,1
%A A217458 _Jani Melik_, Oct 03 2012