%I A039955
%S A039955 5,13,17,21,29,33,37,41,53,57,61,65,69,73,77,85,89,93,97,101,105,
%T A039955 109,113,129,133,137,141,145,149,157,161,165,173,177,181,185,193,
%U A039955 197,201,205,209,213,217,221,229,233,237,241,249,253,257,265,269
%N A039955 Square-free numbers congruent to 1 mod 4.
%D A039955 R. A. Mollin, Quadratics, CRC Press, 1996, Tables B1-B3.
%t A039955 Select[ Select[ Range[ 2, 300 ], Max[ Transpose[ FactorInteger[ # ] ][ 
               [ 2 ] ] ]==1& ], Mod[ #, 4 ]==1& ]
%Y A039955 Cf. A039956, A039957.
%Y A039955 Sequence in context: A082700 A166409 A077425 this_sequence A014539 A074278 
               A087895
%Y A039955 Adjacent sequences: A039952 A039953 A039954 this_sequence A039956 A039957 
               A039958
%K A039955 nonn,easy,nice
%O A039955 0,1
%A A039955 R. K. Guy (rkg(AT)cpsc.ucalgary.ca)