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Chen prime  and  pernicious n.

First numbers that belong to both sets:

3, 5, 7, 11, 13, 17, 19, 31, 37, 41, 47, 59, 67, 107, 109, 127, 131, 137, 157, 167, 179, 181, 191, 199, 211, 227, 233, 239, 251, 257, 307, 379, 409, 419, 431, 443, 487, 491, 499, 521, 541, 557, 563, 569, 577, 587, 617, 631, 641, 647, 653, 659, 677, 701, 719, 743, 761, 769, 787, 809, 827, 829, 877, 911, 919, 941, 947, 953, 971, 1009, 1039, 1109, 1163, 1187, 1193, 1201, 1259, 1291, 1301, 1327, 1361, 1367, 1451, 1459, 1567, 1583, 1667, 1669, 1697, 1709, 1721, 1777, 1801, 1877, 1931, 2017, 2081, 2087, 2099, 2111, 2153, 2207, 2213, 2237, 2243, 2267, 2269, 2339, 2351, 2411, 2441, 2447, 2459, 2477, 2531, 2579, 2591, 2609, 2621, 2647, 2657, 2711, 2731, 2741, 2777, 2789, 2801, 2843, 2861, 2957, 2963, 2969, 3011, 3041, 3083, 3119, 3181, 3187, 3203, 3251, 3257, 3271, 3299, 3371, 3413, 3457, 3467, 3491, 3593, 3637, 3659, 3719, 3761, 3779, 3847, 3851, 3881, 3889, 3907, 4001, 4091, 4099, 4139, 4259, 4271, 4283, 4297, 4339, 4421, 4643, 4649, 4657, 4787, 4789, 4801, 4909, 4969, 4999, 5167, 5189, 5347, 5381, 5399, 5441, 5477, 5737, 5801, 6079, 6247, 6287, 6299, 6311, 6317, 6329, 6337, 6427, 6569, 6659, 6661, 6689, 6701, 6709, 6761, 6791, 6803, 6833, 6911, 6947, 7039, 7043, 7151, 7177, 7211, 7253, 7307, 7309, 7321, 7331, 7561, 7817, 7919, 8059, 8171, 8191, 8219, 8221, 8231, 8291, 8297, 8369, 8387, 8389, 8429, 8527, 8581, 8609, 8627, 8681, 8689, 8741, 8807, 8819, 8837, 8849, 8861, 8933, 8969, 8999, 9011, 9109, 9227, 9257, 9377, 9419, 9649, 9743, 9767, 9811, 9857, 9929, 10111, 10247, 10259, 10271, 10289, 10301, 10313, 10331, 10343, 10391, 10433, 10457, 10499, 10529, 10597, 10601, 10781, 10837, 10891, 10949.

Some larger examples :