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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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1
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OFFSET
| 1,1
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COMMENTS
| 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
| 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
| 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
| Cf. A056542.
Sequence in context: A110601 A107926 A174741 * A077474 A195334 A009918
Adjacent sequences: A070210 A070211 A070212 * A070214 A070215 A070216
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KEYWORD
| hard,nonn
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AUTHOR
| Tom Mueller (muel4503(AT)uni-trier.de), May 07 2002
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EXTENSIONS
| a(5) from Tom Mueller (muel4503(AT)uni-trier.de), Oct 30 2004
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