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A176936
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Primes of the form 13^k + 10^k.
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0
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OFFSET
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1,1
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COMMENTS
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If 13^k + 10^k is prime and k > 0, then k must be of the form 2^t. Because 13^k + 10^k is divisible by 13^m + 10^m, where m = A006519(k) and k > 0. Thus a(6) > 13^2^16 + 10^2^16. - Jinyuan Wang, May 31 2020
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LINKS
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MATHEMATICA
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Select[Table[13^n+10^n, {n, 10000}], PrimeQ] (* Harvey P. Dale, Jan 23 2011 *)
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PROG
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(Magma) [ a: n in [0..1500] | IsPrime(a) where a is 13^n+10^n ]
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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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