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Search: id:A068138
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| A068138 |
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Primes in the mirror concatenation of primes without reversal. |
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+0
1
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OFFSET
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0,1
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EXAMPLE
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323 is not a prime hence not a member but concatenation of primes up to 13 about 2 i.e. 131175323571113 is a prime and a term.
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CROSSREFS
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Sequence in context: A072947 A077303 A007352 this_sequence A118019 A154424 A100267
Adjacent sequences: A068135 A068136 A068137 this_sequence A068139 A068140 A068141
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KEYWORD
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base,hard,more,nonn,bref
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 22 2002
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