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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
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OFFSET
| 1,2
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COMMENTS
| a(5) to a(7) were certified prime with PRIMO. [From Bernardo Boncompagni (redgolpe(AT)redgolpe.com), Nov 07 2008]
The next term (if one exists) is >100000. [From Robert Price (pamandbobprice(AT)yahoo.com), Apr 25 2011]
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable/proven prime - search on "10073".
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LINKS
| Makoto Kamada, List of near-repdigit-related prime numbers.
Index entries for primes involving repunits.
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EXAMPLE
| 8 is a member because 10^8+73 = 100000000+73 = 100000073, which is prime.
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CROSSREFS
| Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054.
Sequence in context: A089118 A146480 A093918 * A178060 A007543 A171620
Adjacent sequences: A135129 A135130 A135131 * A135133 A135134 A135135
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KEYWORD
| more,nonn
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AUTHOR
| Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008
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EXTENSIONS
| a(7) from Bernardo Boncompagni (redgolpe(AT)redgolpe.com), Nov 07 2008
Added term 13015. Robert Price (pamandbobprice(AT)yahoo.com), Mar 22 2010
Added two terms: 3518,6211. Robert Price (pamandbobprice(AT)yahoo.com), Oct 10 2010
Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 23 2010
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