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OFFSET
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1,1
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COMMENTS
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For n >= 2, a(n) == 7 mod 30.
The following terms are not prime and, thus, not in the sequence: A001075(m), for m = 8, 32, 64, 128, 256, 512, 1024. So, a(5) > 2.3619*10^585.
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LINKS
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MATHEMATICA
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PROG
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(PARI) lista(nn) = for (n=0, nn, if (isprime(p=polchebyshev(n, 1, 2)), print1(p, ", "))); \\ Michel Marcus, Oct 21 2016
(PFGW) ABC2 Linear(1, 2, 7, 26, 2^$a)
a: from 1 to 25
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CROSSREFS
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KEYWORD
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nonn,hard
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AUTHOR
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STATUS
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approved
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