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Search: id:A070213
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| A070213 |
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Numbers n such that a(n)=n*a(n-1)+1 with a(1)=0 is prime. |
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+0
2
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OFFSET
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1,1
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COMMENT
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The 6th term (if it exists) is larger than 1019.
No additional primes for n < 14000. - T. D. Noe (noe(AT)sspectra.com), Jul 07 2005
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REFERENCES
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Tom Meuller, Prime and Composite Terms in Sloane's Sequence A056542, Journal of Integer Sequences, Vol. 8 (2005), Article 05.3.3.
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LINKS
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Tom Mueller, Prime and Composite Terms in Sloane's Sequence A056542, Journal of Integer Sequences, Vol. 8 (2005), Article 05.3.3.
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CROSSREFS
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Cf. A056542.
Sequence in context: A075558 A110601 A107926 this_sequence A077474 A009918 A008085
Adjacent sequences: A070210 A070211 A070212 this_sequence A070214 A070215 A070216
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KEYWORD
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hard,nonn
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AUTHOR
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Tom Mueller (muel4503(AT)uni-trier.de), May 07 2002
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EXTENSIONS
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a(5) from Tom Mueller (muel4503(AT)uni-trier.de), Oct 30 2004
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