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A160404
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Numbers k such that 23*10^(k + 2) + 57 is prime.
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0
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0, 1, 3, 8, 21, 32, 33, 48, 68, 295, 296, 298, 1081, 1753, 1963, 4336, 5008, 5608, 14240
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OFFSET
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1,3
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COMMENTS
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LINKS
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MATHEMATICA
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lst = {}; Do[ If[ PrimeQ[23*10^(n + 2) + 57], AppendTo[ lst, n]], {n, 0, 6000}]; lst (* Robert G. Wilson v, May 29 2009 *)
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CROSSREFS
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Cf. A160403 (primes of the form 23*10^(k + 2) + 57).
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KEYWORD
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nonn,base,more
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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