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 A176213 #4 Aug 19 2018 12:23:58 %S A176213 4,4,4,9,4,8,9,7,4,2,7,8,3,1,7,8,0,9,8,1,9,7,2,8,4,0,7,4,7,0,5,8,9,1, %T A176213 3,9,1,9,6,5,9,4,7,4,8,0,6,5,6,6,7,0,1,2,8,4,3,2,6,9,2,5,6,7,2,5,0,9, %U A176213 6,0,3,7,7,4,5,7,3,1,5,0,2,6,5,3,9,8,5,9,4,3,3,1,0,4,6,4,0,2,3,4,8,1,8,5,9 %N A176213 Decimal expansion of 2+sqrt(6). %C A176213 Continued fraction expansion of 2+sqrt(6) is A010694. %C A176213 a(n) = A010464(n) = A086180(n) for n > 1, a(1) = 4. %e A176213 2+sqrt(6) = 4.44948974278317809819... %t A176213 RealDigits[2+Sqrt[6],10,120][[1]] (* _Harvey P. Dale_, Aug 19 2018 *) %Y A176213 Cf. A010464 (decimal expansion of sqrt(6)), A086180 (decimal expansion of 1+sqrt(6)), A010694 (repeat 4, 2). %K A176213 cons,nonn %O A176213 1,1 %A A176213 _Klaus Brockhaus_, Apr 12 2010