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.
%I A094883 #19 Sep 08 2022 08:45:13 %S A094883 8,7,4,0,3,2,0,4,8,8,9,7,6,4,2,1,4,1,5,9,8,6,0,2,4,1,0,1,1,1,5,1,0,2, %T A094883 2,7,5,7,4,9,4,1,6,3,1,9,7,4,1,3,4,3,7,6,8,4,0,4,1,2,5,5,7,4,0,0,9,3, %U A094883 0,9,8,0,0,8,8,5,6,5,5,9,1,2,4,6,9,3,0,2,8,7,0,2,5,8,2,9,3,6,1 %N A094883 Decimal expansion of sqrt(2)/phi, where phi = (1+sqrt(5))/2. %C A094883 An algebraic integer with minimal polynomial x^4 - 6*x^2 + 4. - _Charles R Greathouse IV_, Mar 25 2014 %D A094883 Steven R. Finch, Mathematical Constants, Cambridge University Press, 2003, Section 3.16 Turan's power sums constants, p. 246. %H A094883 Ivan Panchenko, <a href="/A094883/b094883.txt">Table of n, a(n) for n = 0..1000</a> %e A094883 0.874032048897642... %t A094883 RealDigits[Sqrt[2]/GoldenRatio, 10, 100][[1]] (* _G. C. Greubel_, Aug 17 2018 *) %o A094883 (PARI) sqrt(3-sqrt(5)) \\ _Charles R Greathouse IV_, Mar 25 2014 %o A094883 (Magma) SetDefaultRealField(RealField(100)); 2*Sqrt(2)/(1 + Sqrt(5)); // _G. C. Greubel_, Aug 17 2018 %K A094883 cons,nonn %O A094883 0,1 %A A094883 _N. J. A. Sloane_, Jun 15 2004