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%I #6 Jul 08 2024 11:36:02
%S 27,67,104,125,174,201,231,262,295,331,368,407,408,449,492,537,538,
%T 585,634,635,685,686,739,794,795,851,852,911,912,972,973,1035,1036,
%U 1101,1102,1168,1169,1237,1238,1239,1309,1310,1382,1383,1457,1458,1459
%N Integers for which the periodic part of the continued fraction for the square root of n begins with 5.
%e The continued fraction for the square root of 104 is 10, {5, 20}.
%t Select[ Range[1500], First[ Last[ ContinuedFraction[ Sqrt[ # ]]]] == 5 & ]
%Y Cf. A065005.
%K easy,nonn
%O 1,1
%A _Robert G. Wilson v_, Nov 01 2001