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Poulet n.  and  semiprime

First numbers that belong to both sets:

341, 1387, 2047, 2701, 3277, 4033, 4369, 4681, 5461, 7957, 8321, 10261, 13747, 14491, 15709, 18721, 19951, 23377, 31417, 31609, 31621, 35333, 42799, 49141, 49981, 60701, 60787, 65077, 65281, 80581, 83333, 85489, 88357, 90751, 104653, 123251, 129889, 130561, 150851, 162193, 164737, 181901, 188057, 194221, 196093, 215749, 219781, 220729, 226801, 233017, 241001, 249841, 253241, 256999, 264773, 271951, 275887, 280601, 282133, 294271, 318361, 357761, 390937, 396271, 422659, 435671, 443719, 452051, 458989, 481573, 486737, 489997, 513629, 514447, 556169, 580337, 582289, 587861, 604117, 611701, 642001, 647089, 653333, 657901, 665281, 665333, 672487, 679729, 680627, 688213, 710533, 721801, 722201, 722261, 729061, 741751, 742813, 745889, 769567, 769757, 818201, 838861, 873181, 877099, 916327, 976873, 983401, 1016801, 1053761, 1064053, 1073021, 1082401, 1092547, 1109461, 1132657, 1145257, 1168513, 1194649, 1207361, 1251949, 1252697, 1277179, 1293337, 1302451, 1325843, 1357441, 1373653, 1397419, 1433407, 1441091, 1457773, 1493857, 1507963, 1509709, 1530787, 1537381, 1584133, 1678541, 1690501, 1730977, 1735841, 1755001, 1809697, 1811573, 1826203, 1876393, 1969417, 1987021, 1994689, 2004403, 2008597, 2035153, 2081713, 2134277, 2163001, 2181961, 2184571, 2205967, 2261953, 2264369, 2269093, 2284453, 2304167, 2313697, 2387797, 2434651, 2487941, 2491637, 2510569, 2528921, 2617451, 2649029, 2670361, 2746477, 2746589, 2748023, 2757241, 2811271, 2827801, 2909197, 2944261, 2976487, 2977217, 3059101, 3090091, 3116107, 3125281, 3235699, 3337849, 3345773, 3363121, 3375041, 3375487, 3400013, 3413533, 3429037, 3471071, 3539101, 3542533, 3567481, 3568661, 3605429, 3656449, 3898129, 3911197, 3985921, 4082653, 4097791, 4101637, 4151869, 4181921, 4188889, 4314967, 4360621, 4361389, 4415251, 4469471, 4480477, 4513841, 4567837, 4835209, 4863127, 4868701, 4869313, 4922413, 5016191, 5044033, 5095177, 5131589, 5173169, 5173601, 5176153, 5256091, 5284333, 5351537, 5423713, 5489641, 5524693, 5575501, 5590621, 5672041, 5766001, 5919187, 6027193, 6118141, 6122551, 6140161, 6159301, 6226193, 6233977, 6236257, 6278533, 6334351, 6368689, 6386993, 6539527, 6631549, 6658669, 6749021, 6779137, 6787327, 6836233, 6912079, 6952037, 6955541, 6973063, 7017193, 7232321, 7295851, 7306261, 7306561, 7414333, 7429117, 7462001, 7674967, 7725901, 7759937, 7820201, 7883731, 8036033.

Some larger examples :