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A135118
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Integers n such that 10^n+51 is a prime number.
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0
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1, 2, 3, 13, 19, 81, 658, 1009, 1070, 1731, 2899, 4237, 5499, 18628, 28699, 47026
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OFFSET
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1,2
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COMMENTS
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If more terms exist, then they are >39456. [From Robert Price, Aug 14 2010]
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable/proven prime - search on "10051".
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LINKS
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Table of n, a(n) for n=1..16.
Makoto Kamada, List of near-repdigit-related prime numbers.
Index entries for primes involving repunits.
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EXAMPLE
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3 is a member because 10^3+51 = 1000+51 = 1051, which is prime.
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CROSSREFS
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Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054.
Sequence in context: A080359 A193507 A103087 * A084958 A037392 A136341
Adjacent sequences: A135115 A135116 A135117 * A135119 A135120 A135121
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KEYWORD
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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(8)-a(15) from Robert Price, Aug 14 2010
Edited by Ray Chandler, Dec 23 2010
a(16)=47026 from Robert Price, Dec 27 2010
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STATUS
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approved
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