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 A065010 #6 Jul 08 2024 11:35:52
%S A065010 51,124,200,229,329,366,447,490,535,632,683,736,792,849,908,969,1033,
%T A065010 1098,1165,1234,1235,1306,1379,1454,1531,1532,1611,1692,1775,1776,
%U A065010 1860,1861,1948,2037,2128,2129,2221,2222,2317,2414,2415,2513,2514,2614,2615
%N A065010 Integers for which the periodic part of the continued fraction for the square root of n begins with 7.
%e A065010 The continued fraction for the square root of 84 is 7, {7, 14}.
%t A065010 Select[ Range[3000], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 7 & ]
%Y A065010 Cf. A065005.
%K A065010 easy,nonn
%O A065010 1,1
%A A065010 _Robert G. Wilson v_, Nov 01 2001