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 A380895 #16 Aug 03 2025 08:50:24 %S A380895 3,1,0,6,3,3,9,0,6,2,5,9,0,8,3,2,4,3,3,7,9,7,2,6,6,1,5,5,2,9,0,3,0,5, %T A380895 4,4,4,8,7,4,5,8,8,1,2,1,3,7,8,4,7,3,5,9,3,2,9,3,9,1,6,7,0,1,9,2,5,7, %U A380895 2,8,5,8,0,3,4,3,7,6,7,8,8,1,4,0,9,9,7,9,9,4,8,6,4,8,6,3,0,0,4,3 %N A380895 Decimal expansion of (sqrt(17) + 1)/(4*sqrt(17)). %C A380895 This constant and A380896 give the stationary distribution for maximal entropy random walk on the barred-square graph (see Burda et al.). %H A380895 J. Burda, J. Duda, J. M. Luck, and B. Waclaw, <a href="https://www.actaphys.uj.edu.pl/R/41/5/949">The Various Facets of Random Walk Entropy</a>, Acta Phys. Pol. B 41, 949-987 (2010). See p. 969. %H A380895 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>. %F A380895 Equals 1/2 - A380896. %F A380895 Minimal polynomial: 34*x^2 - 17*x + 2. - _Stefano Spezia_, Aug 03 2025 %e A380895 0.310633906259083243379726615529030544487458812... %t A380895 RealDigits[(Sqrt[17]+1)/(4Sqrt[17]),10,100][[1]] %o A380895 (PARI) 1/4+1/sqrt(272) \\ _Charles R Greathouse IV_, Feb 08 2025 %Y A380895 Cf. A010473, A222132, A380896. %K A380895 nonn,cons,easy %O A380895 0,1 %A A380895 _Stefano Spezia_, Feb 07 2025