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A177465
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Primes of the form (35*10^n-71)/9
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0
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31, 3881, 38888888888888888881, 3888888888888888888888888888881, 38888888888888888888888888888888888888881, 3888888888888888888888888888888888888888881, 3888888888888888888888888888888888888888888881
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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Select[Table[10 FromDigits[PadRight[{3}, n, 8]]+1, {n, 50}], PrimeQ] (* Harvey P. Dale, Jul 02 2021 *)
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PROG
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(Magma) [a: n in [0..250]|IsPrime(a) where a is (35*10^n-71)div(9)]
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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