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nonagonal n.  and  semiprime

First numbers that belong to both sets:

9, 46, 111, 559, 1639, 3961, 4699, 7291, 11629, 12871, 23329, 30691, 32689, 41311, 48439, 85879, 114211, 129889, 142309, 159751, 262081, 267859, 310069, 342109, 389611, 418141, 486019, 542341, 584461, 619291, 729829, 758881, 923401, 967051, 1011709, 1104049, 1163809, 1313659, 1352539, 1527571, 1742761, 1802539, 2003779, 2067841, 2116549, 2455759, 2598499, 2689759, 2745271, 2972989, 3209779, 3372679, 3560761, 3624589, 3645991, 3732229, 3996991, 4178539, 4340701, 4364119, 4434751, 4920121, 5045401, 5146759, 5352499, 5749129, 5966461, 6076639, 6104341, 6413221, 6671611, 7143571, 7233859, 7756201, 8394031, 9158689, 9432469, 9745291, 10027639, 10604431, 10751149, 10861849, 11010331, 11047609, 11348101, 12077929, 12273769, 12710161, 13072879, 13523131, 14233969, 14361301, 15268501, 15621409, 15978349, 16339321, 16658479, 19175131, 19520749, 19769509, 20729161, 20780299, 20934091, 22237741, 23038831, 23254849, 23963869, 24350059, 26442631, 27374239, 28501471, 30513349, 31199221, 31450519, 31513501, 31956139, 32274199, 32465791, 32786371, 33757561, 34018939, 35074531, 35407711, 35876809, 36213769, 36484471, 37028899, 38129851, 38407609, 38896111, 40308841, 41819329, 43876531, 44698231, 45907039, 47209069, 48139111, 48764179, 48999619, 50903551, 51224401, 52599259, 53170669, 54488341, 54820279, 55822141, 56579491, 57597229, 58195099, 58624039, 59659921, 59920309, 60355549, 60617449, 64884961, 68180851, 68552101, 69017581, 70423471, 72320041, 72415531, 73951939, 74629189, 77369059, 77764501, 79356349, 80258851, 80560819, 81065359, 81368839, 82690471, 83817091, 84641239, 85885021, 86405941, 90523171, 91057951, 93972979, 94954861, 95831929, 97044481, 97598161, 99268651.