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Search: id:A100848
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| A100848 |
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Numbers n such that n^n+n+3 is prime. |
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+0
1
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OFFSET
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1,2
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COMMENT
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All terms <3000 correspond to certified primes; 3703 corresponds to a probable prime. No more terms through 5000. - Ryan Propper (rpropper(AT)stanford.edu), Sep 14 2005
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PROGRAM
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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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Sequence in context: A023496 A058570 A134781 this_sequence A051458 A068940 A008471
Adjacent sequences: A100845 A100846 A100847 this_sequence A100849 A100850 A100851
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KEYWORD
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hard,nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Jan 07 2005
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EXTENSIONS
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3703 from Ryan Propper (rpropper(AT)stanford.edu), Sep 14 2005
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