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1 together with pairs of composites of the form (6n-1, 6n+1).
5

%I #4 Mar 30 2012 18:52:38

%S 1,119,121,143,145,185,187,203,205,215,217,245,247,287,289,299,301,

%T 323,325,341,343,413,415,425,427,473,475,515,517,527,529,533,535,551,

%U 553,581,583,623,625,635,637,665,667,695,697,713,715,779,781,791,793,803

%N 1 together with pairs of composites of the form (6n-1, 6n+1).

%Y Cf. A001477, A060461, A171696.

%K nonn,easy,less

%O 1,2

%A _Juri-Stepan Gerasimov_, Dec 15 2009