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%I #4 Mar 30 2012 18:40:04
%S 15,35,39,51,87,95,111,155,161,249,267,291,305,335,371,377,395,407,
%T 447,485,489,519,591,611,629,671,699,707,731,737,749,755,767,771,807,
%U 851,879,917,939,951,989,995,1007,1011,1047,1059,1067,1115,1149,1169,1191,1199,1211,1227,1247,1299,1371,1379,1457,1469,1529,1565,1655,1691,1707,1731,1739,1745,1751,1781,1799,1991
%N Squarefree semiprimes n such that n+1 is not squarefree and n+2 is prime.
%F (A006881 INTERSECT A040976) INTERSECT A005117
%K easy,nonn
%O 1,1
%A _Giovanni Teofilatto_, Oct 30 2008
%E Definition corrected and more terms supplied by _R. J. Mathar_, Nov 02 2008