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 A135132 Integers n such that 10^n + 73 is a prime number. 1
 1, 2, 8, 11, 145, 695, 1099, 3518, 6211, 13015 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS a(5) to a(7) were certified prime with PRIMO. - Bernardo Boncompagni, Nov 07 2008 The next term (if one exists) is > 100000. - Robert Price, Apr 25 2011 See Kamada link - primecount.txt for terms, primesize.txt for discovery details including probable or proved primes - search on "10073". LINKS Makoto Kamada, List of near-repdigit-related prime numbers. EXAMPLE 8 is a member because 10^8+73 = 100000000+73 = 100000073, which is prime. MATHEMATICA Select[Range[1000], PrimeQ[10^# + 73] &] (* G. C. Greubel, Sep 28 2016 *) CROSSREFS Cf. A095688, A108052, A108050, A108312, A107083, A108049, A108054. Sequence in context: A332098 A254313 A209429 * A178060 A007543 A352549 Adjacent sequences: A135129 A135130 A135131 * A135133 A135134 A135135 KEYWORD more,nonn AUTHOR Julien Peter Benney (jpbenney(AT)gmail.com), Feb 12 2008 EXTENSIONS a(7) from Bernardo Boncompagni, Nov 07 2008 Added term 13015. Robert Price, Mar 22 2010 Added two terms: 3518,6211. Robert Price, Oct 10 2010 Edited by Ray Chandler, Dec 23 2010 STATUS approved

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Last modified January 28 18:35 EST 2023. Contains 359905 sequences. (Running on oeis4.)