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 A065011 #6 Jul 08 2024 11:35:48
%S A065011 17,66,147,172,260,293,405,446,489,582,631,682,791,848,907,968,1032,
%T A065011 1097,1164,1233,1305,1378,1453,1530,1609,1610,1691,1774,1859,1946,
%U A065011 1947,2036,2127,2220,2315,2316,2412,2413,2512,2613,2716,2717,2821,2822,2929
%N A065011 Integers for which the periodic part of the continued fraction for the square root of n begins with 8.
%e A065011 The continued fraction for the square root of 147 is 12, {8, 24}.
%t A065011 Select[ Range[3000], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 8 & ]
%Y A065011 Cf. A065005.
%K A065011 easy,nonn
%O A065011 1,1
%A A065011 _Robert G. Wilson v_, Nov 01 2001