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Search: id:A135132
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| A135132 |
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Integers n such that 10^n+73 is a prime number. |
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+0
1
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OFFSET
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1,2
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COMMENT
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Some of the larger entries may only correspond to probable primes.
a(5) to a(7) were certified prime with PRIMO. [From Bernardo Boncompagni (redgolpe(AT)redgolpe.com), Nov 07 2008]
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EXAMPLE
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8 is a member because 10^8+73 = 100000000+73 = 100000073, which is prime.
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CROSSREFS
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Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054.
Sequence in context: A089118 A146480 A093918 this_sequence A007543 A043377 A107629
Adjacent sequences: A135129 A135130 A135131 this_sequence A135133 A135134 A135135
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KEYWORD
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hard,more,nonn
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AUTHOR
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Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008
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EXTENSIONS
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a(7) from Bernardo Boncompagni (redgolpe(AT)redgolpe.com), Nov 07 2008
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