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A144719
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Semiprimes whose factors are decimal palindromes when concatenated, omitting multiples of primes less than 11.
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1
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121, 403, 1207, 1243, 1703, 2321, 2701, 3421, 3503, 3629, 4043, 4061, 4069, 4121, 4247, 4303, 4309, 4607, 5603, 6109, 6401, 7663, 8203, 8921, 9329, 9703, 9707, 9943, 10001, 10021, 10187, 10201, 12223, 12283, 12709, 13129, 13801, 14921, 15007
(list; graph; refs; listen; history; internal format)
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