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A177132
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Primes of the form 6*10^n+1.
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0
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7, 61, 601, 600000001, 6000000001, 6000000000000001, 600000000000000000001, 600000000000000000000000001, 600000000000000000000000000000000000001, 6000000000000000000000000000000000000000000001, 600000000000000000000000000000000000000000000000000000000000000001
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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[6*10^n+1, {n, 0, 70}], PrimeQ] (* Harvey P. Dale, Feb 22 2015 *)
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PROG
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(Magma) [a: n in [0..250]|IsPrime(a) where a is 6*10^n+1]
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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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