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Search: id:A100407
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| A100407 |
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Numbers n such that n^n+2 is prime. |
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+0
4
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OFFSET
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1,2
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COMMENT
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All terms are odd. Next term is greater than 3500. 1349^1349+2 is a probable prime with length 4223.
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EXAMPLE
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737 is in the sequence because 737^737+2 is prime.
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MATHEMATICA
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Do[If[PrimeQ[n^n+2], Print[n]], {n, 3500}]
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CROSSREFS
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Cf. A100408.
Sequence in context: A059120 A013826 A133014 this_sequence A083250 A096086 A062658
Adjacent sequences: A100404 A100405 A100406 this_sequence A100408 A100409 A100410
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KEYWORD
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more,nonn
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AUTHOR
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Farideh Firoozbakht (mymontain(AT)yahoo.com), Nov 19 2004
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