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 A380896 #15 Aug 03 2025 09:02:13 %S A380896 1,8,9,3,6,6,0,9,3,7,4,0,9,1,6,7,5,6,6,2,0,2,7,3,3,8,4,4,7,0,9,6,9,4, %T A380896 5,5,5,1,2,5,4,1,1,8,7,8,6,2,1,5,2,6,4,0,6,7,0,6,0,8,3,2,9,8,0,7,4,2, %U A380896 7,1,4,1,9,6,5,6,2,3,2,1,1,8,5,9,0,0,2,0,0,5,1,3,5,1,3,6,9,9,5,6 %N A380896 Decimal expansion of (sqrt(17) - 1)/(4*sqrt(17)). %C A380896 A380895 and this constant give the stationary distribution for maximal entropy random walk on the barred-square graph (see Burda et al.). %H A380896 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 A380896 <a href="/index/Al#algebraic_02">Index entries for algebraic numbers, degree 2</a>. %F A380896 Equals 1/2 - A380895. %F A380896 Minimal polynomial: 34*x^2 - 17*x + 2. - _Stefano Spezia_, Aug 03 2025 %e A380896 0.18936609374091675662027338447096945551254118786... %t A380896 RealDigits[(Sqrt[17]-1)/(4Sqrt[17]),10,100][[1]] %o A380896 (PARI) 1/4-1/sqrt(272) \\ _Charles R Greathouse IV_, Feb 08 2025 %Y A380896 Cf. A010473, A222132, A380895. %K A380896 nonn,cons,easy %O A380896 0,2 %A A380896 _Stefano Spezia_, Feb 07 2025