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 A176019 #8 Dec 03 2024 08:24:33 %S A176019 1,1,0,0,9,2,5,2,1,2,5,7,7,3,3,1,5,4,8,8,5,3,2,0,3,5,4,4,5,7,8,4,1,5, %T A176019 9,9,1,0,4,1,8,8,2,7,6,2,3,0,7,5,4,1,0,3,5,4,5,1,7,4,2,1,7,6,0,3,7,8, %U A176019 6,1,1,5,8,0,4,8,8,3,5,0,7,4,2,0,0,7,6,9,8,4,7,0,0,3,0,8,1,7,8,6,2,7,8,9,1 %N A176019 Decimal expansion of (3+sqrt(13))/6. %C A176019 Continued fraction expansion of (3+sqrt(13))/6 is A010690. %C A176019 Minimal polynomial: 9*x^2 - 9*x - 1. - _Amiram Eldar_, Dec 03 2024 %H A176019 Daniel Starodubtsev, <a href="/A176019/b176019.txt">Table of n, a(n) for n = 1..10000</a> %F A176019 Equals Product_{k>=2} (1 + (-1)^k/A092936(k)). - _Amiram Eldar_, Dec 03 2024 %e A176019 1.10092521257733154885320354457841599104188276230754... %t A176019 RealDigits[(3 + Sqrt[13])/6, 10, 120][[1]] (* _Amiram Eldar_, Dec 03 2024 *) %Y A176019 Cf. A010470 (decimal expansion of sqrt(13)), A010690 (repeat 1, 9), A092936. %K A176019 cons,nonn %O A176019 1,5 %A A176019 _Klaus Brockhaus_, Apr 06 2010