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 A178247 #4 Mar 18 2022 16:54:28 %S A178247 1,2,8,8,7,7,4,8,0,6,4,7,3,9,7,9,1,5,2,2,1,0,2,2,2,0,2,3,8,9,0,7,0,6, %T A178247 1,0,6,1,9,2,1,5,3,7,6,5,7,6,7,9,9,4,7,0,6,6,5,5,3,9,7,8,7,4,1,3,9,0, %U A178247 2,4,8,2,9,7,8,0,6,1,6,0,1,2,8,6,1,6,8,3,9,2,2,9,7,9,5,3,1,8,0,4,4,9,0,0,6 %N A178247 Decimal expansion of (269+11*sqrt(1086))/490. %C A178247 Continued fraction expansion of (269+11*sqrt(1086))/490 is A033940. %e A178247 (269+11*sqrt(1086))/490 = 1.28877480647397915221... %t A178247 RealDigits[(269+11Sqrt[1086])/490,10,120][[1]] (* _Harvey P. Dale_, Mar 18 2022 *) %Y A178247 Cf. A178230 (decimal expansion of sqrt(1086)), A033940 (repeat 1, 3, 2, 6, 4, 5). %K A178247 cons,nonn %O A178247 1,2 %A A178247 _Klaus Brockhaus_, May 24 2010