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A178436
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Numbers n such that 10^n - 77 is prime.
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0
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2, 4, 5, 14, 44, 64, 103, 282, 643, 670, 818, 1092, 1775, 1856, 4080, 4178, 4498, 6815, 8293, 10112, 12023, 13643
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OFFSET
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1,1
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COMMENTS
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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 "99923".
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LINKS
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EXAMPLE
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10^4 - 77 = 9923 which is a prime number.
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MATHEMATICA
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nMax=1000; Do[If[PrimeQ[10^n-77], Print[n]], {n, nMax}]
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PROG
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CROSSREFS
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KEYWORD
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more,nonn
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AUTHOR
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STATUS
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approved
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