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Search: id:A074815
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| A074815 |
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n is a term iff there are no prime numbers between reverse(n) and 3*n. |
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+0
1
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| 0, 14, 247, 298, 1003, 2998, 10003, 12473, 17525, 19995, 27528, 29998, 199995, 299998, 1000003, 1824745, 1875265, 1999995, 2124736, 2475247, 2700018, 3124739
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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n such that the number of primes between n and 3n (inclusive) = number of primes between n and reverse(n) (inclusive).
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EXAMPLE
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14 is here since there are seven primes between 14 and 41 and seven primes between 14 and 3*14=42.
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CROSSREFS
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Sequence in context: A166774 A055477 A123774 this_sequence A051622 A113377 A159516
Adjacent sequences: A074812 A074813 A074814 this_sequence A074816 A074817 A074818
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KEYWORD
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base,nonn
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AUTHOR
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Jason Earls (zevi_35711(AT)yahoo.com), Sep 08 2002
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EXTENSIONS
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More terms from Lior Manor (lior.manor(AT)gmail.com) Sep 17 2002
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