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 A176520 #6 Apr 25 2016 12:36:51 %S A176520 9,1,4,0,6,5,8,8,2,0,2,2,3,0,8,1,8,2,8,9,5,4,1,8,5,9,4,7,1,6,9,5,3,7, %T A176520 9,9,2,3,1,0,5,6,8,0,4,3,5,9,7,1,2,3,8,2,8,2,0,6,5,9,8,7,8,0,1,9,4,8, %U A176520 4,5,0,1,5,2,5,1,9,0,5,7,7,7,0,9,5,5,5,1,3,9,8,1,8,0,8,5,1,0,6,2,9,1,3,5,0 %N A176520 Decimal expansion of (63+3*sqrt(469))/14. %C A176520 Continued fraction expansion of (63+3*sqrt(469))/14 is A010729 preceded by 9. %e A176520 (63+3*sqrt(469))/14 = 9.14065882022308182895... %t A176520 RealDigits[(63+3*Sqrt[469])/14,10,120][[1]] (* _Harvey P. Dale_, Jan 20 2013 *) %o A176520 (PARI) (3*sqrt(469)+63)/14 \\ _Charles R Greathouse IV_, Apr 25 2016 %Y A176520 Cf. A176443 (decimal expansion of sqrt(469)), A010729 (repeat 7, 9). %K A176520 cons,nonn %O A176520 1,1 %A A176520 _Klaus Brockhaus_, Apr 23 2010