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A100849
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Numbers n such that n^n+n+5 is prime.
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0
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OFFSET
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1,2
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COMMENTS
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Here we interpret 0^0 as 1.
a(5), a(6) very probable primes; a(7) > 10^4. [From D. S. McNeil, Mar 14 2009]
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LINKS
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PROG
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(PARI) f2(n, k) = for(x=0, n, y=x^x+x+k; if(ispseudoprime(y), print1(x", ")))
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CROSSREFS
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KEYWORD
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hard,more,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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