A146319 Squarefree semiprimes n such that n+1 is not squarefree and n+2 is prime.
15, 35, 39, 51, 87, 95, 111, 155, 161, 249, 267, 291, 305, 335, 371, 377, 395, 407, 447, 485, 489, 519, 591, 611, 629, 671, 699, 707, 731, 737, 749, 755, 767, 771, 807, 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
Offset: 1
Extensions
Definition corrected and more terms supplied by R. J. Mathar, Nov 02 2008