%I A031158
%S A031158 1,7,13,31,49,67,73,127,133,169,193,235,259,283,319,391,427,475,487,
%T A031158 517,535,577,613,619,643,727,739,883,895,925,931,979,991,1009,
%U A031158 1021,1039,1093,1105,1201,1231,1249,1261,1387,1417,1471,1495,1501
%N A031158 Twin lucky numbers (lower terms).
%Y A031158 Cf. A000959, A031158, A031159, A031160.
%Y A031158 Sequence in context: A110912 A085104 A162652 this_sequence A091431 A060800 
               A107146
%Y A031158 Adjacent sequences: A031155 A031156 A031157 this_sequence A031159 A031160 
               A031161
%K A031158 nonn
%O A031158 1,2
%A A031158 Patrick De Geest (pdg(AT)worldofnumbers.com)