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A135131
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Integers n such that 10^n+79 is a prime number.
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0
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1, 2, 4, 7, 16, 18, 43, 60, 73, 91, 106, 115, 120, 169, 394, 444, 516, 835, 886, 1912, 3120, 3602, 5664, 10188, 14434, 16564, 23732, 29058, 47728, 63916
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| If any additional terms exist, they are >40000. [From Robert Price (pamandbobprice(AT)yahoo.com), Sep 25 2010]
See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable/proven prime - search on "10079".
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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
| 7 is a member because 10^7+79 = 10000000+79 = 10000079, which is a prime number.
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CROSSREFS
| Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054.
Sequence in context: A129981 A072964 A030033 * A032363 A026731 A026764
Adjacent sequences: A135128 A135129 A135130 * A135132 A135133 A135134
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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
| Added two terms: 10188 and 14434. Robert Price (pamandbobprice(AT)yahoo.com), Mar 22 2010
Added seven terms: 1912, 3120, 3602, 5664, 16564, 23732, 29058. Robert Price (pamandbobprice(AT)yahoo.com), Sep 25 2010
Edited by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 23 2010
a(29)=47728 from Robert Price (pamandbobprice(AT)yahoo.com), Dec 31 2010
a(30)=63916 from Robert Price (pamandbobprice(AT)yahoo.com), Jan 29 2011
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