%I A031573
%S A031573 5627,5639,5643,5647,5651,5659,5667,5683,5711,5723,5731,5739,5743,5763,
%T A031573 5767,5779,5783,5787,5791,5807,5827,5831,5839,5843,5851,5867,5879,5891,
%U A031573 5899,5903,5923,5927,22504,22528,22624,22656,22688,22696,22720,22784
%N A031573 Numbers n such that continued fraction for sqrt(n) has even period and 
               central term 75.
%Y A031573 Sequence in context: A058003 A014799 A031663 this_sequence A031753 A045128 
               A161193
%Y A031573 Adjacent sequences: A031570 A031571 A031572 this_sequence A031574 A031575 
               A031576
%K A031573 nonn
%O A031573 1,1
%A A031573 David W. Wilson (davidwwilson(AT)comcast.net)