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A067087 Concatenation of n-th prime and its reverse. +0
5
22, 33, 55, 77, 1111, 1331, 1771, 1991, 2332, 2992, 3113, 3773, 4114, 4334, 4774, 5335, 5995, 6116, 6776, 7117, 7337, 7997, 8338, 8998, 9779, 101101, 103301, 107701, 109901, 113311, 127721, 131131, 137731, 139931, 149941, 151151, 157751 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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