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 A176051 #9 Jan 19 2025 12:37:19 %S A176051 2,2,2,4,7,4,4,8,7,1,3,9,1,5,8,9,0,4,9,0,9,8,6,4,2,0,3,7,3,5,2,9,4,5, %T A176051 6,9,5,9,8,2,9,7,3,7,4,0,3,2,8,3,3,5,0,6,4,2,1,6,3,4,6,2,8,3,6,2,5,4, %U A176051 8,0,1,8,8,7,2,8,6,5,7,5,1,3,2,6,9,9,2,9,7,1,6,5,5,2,3,2,0,1,1,7,4,0,9,2,9 %N A176051 Decimal expansion of (2+sqrt(6))/2. %C A176051 Continued fraction expansion of (2+sqrt(6))/2 is A010694. %C A176051 a(n) = A115754(n) for n > 1; a(1) = 2. %e A176051 (2+sqrt(6))/2 = 2.22474487139158904909... %e A176051 Note also that (1+sqrt(6))/2 = 1.724744871391589049098642..., the mis-typed golden ratio. - _N. J. A. Sloane_, Jan 19 2025 %t A176051 RealDigits[(2+Sqrt[6])/2,10,120][[1]] (* _Harvey P. Dale_, Apr 21 2011 *) %Y A176051 Cf. A010464 (decimal expansion of sqrt(6)), A115754 (decimal expansion of sqrt(3/2)), A010694 (repeat 2, 4). %Y A176051 See also A379800. %K A176051 cons,nonn %O A176051 1,1 %A A176051 _Klaus Brockhaus_, Apr 07 2010