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%I #9 Apr 10 2017 23:32:50
%S 10,15,26,30,34,35,39,40,42,51,55,58,60,65,66,70,74,78,79,82,85,87,90,
%T 91,95,102,104,105,106,110,111,114,115,119,120,122,123,130,135,136,
%U 138,140,142,143,145,146,154,155,156,159,160,165,168,170,174,178,182
%N Positive integers n such that the ring of integers of Q(sqrt(n)) is not a UFD.
%C Complement of A219361.
%t Select[Range[210], NumberFieldClassNumber@Sqrt@# > 1 &]
%Y Cf. A219361.
%K nonn
%O 1,1
%A _Robert G. Wilson v_, Apr 09 2017
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