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Numbers k such that the continued fraction for sqrt(k) has period 55.
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%I #12 Jul 11 2021 01:20:12

%S 2381,4141,5317,5386,5749,5941,6569,7669,8065,8698,8986,9577,10537,

%T 10601,11065,11393,11717,11986,14537,14717,14813,15082,18397,18649,

%U 20353,20753,20885,20905,21617,22193,22853,23321,23537,23741,23773,24466,25345,25349

%N Numbers k such that the continued fraction for sqrt(k) has period 55.

%Y Cf. A003285.

%K nonn

%O 1,1

%A _David W. Wilson_