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 A178331 #4 Apr 05 2019 12:04:02 %S A178331 1,5,8,5,6,1,2,1,8,9,3,9,2,3,7,5,0,7,4,0,4,9,5,6,3,0,4,5,3,2,2,0,5,3, %T A178331 2,2,2,2,8,5,5,2,6,4,0,5,1,5,5,7,9,1,2,4,7,4,9,6,2,7,0,6,7,6,3,5,2,9, %U A178331 7,5,4,7,3,9,7,6,1,1,5,8,9,1,1,5,2,5,9,0,5,6,4,9,6,5,7,6,6,7,2,3,9,8,2,9,6 %N A178331 Decimal expansion of (17+2*sqrt(210))/29. %C A178331 Continued fraction expansion of (17+2*sqrt(210))/29 is A135265. %e A178331 (17+2*sqrt(210))/29 = 1.58561218939237507404... %t A178331 RealDigits[(17+2Sqrt[210])/29,10,120][[1]] (* _Harvey P. Dale_, Apr 05 2019 *) %Y A178331 Cf. A176441 (decimal expansion of sqrt(210)), A135265 (repeat 1, 1, 1, 2, 2, 2). %K A178331 cons,nonn %O A178331 1,2 %A A178331 _Klaus Brockhaus_, May 25 2010