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Search: id:A159264
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| A159264 |
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Numbers n such that 379*10^n+9 is a ("Google") probable prime. |
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+0 2
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| 3, 6, 8, 9, 37, 44, 67, 111, 157, 289, 1256, 1602, 2410, 2482, 2868, 3824, 3891, 6595, 8984, 9318, 10274
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The prime number 379009 rotated by 180 degree reads "GOOGLE". This sequence gives n such that "GO...OGLE" with n-1 O's is prime.
No more terms up to n=15000. [From Jason Earls (zevi_35711(AT)yahoo.com), Nov 21 2009]
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REFERENCES
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J. Earls, Mathematical Bliss, Pleroma Publications, 2009, pages 15-17. ASIN: B002ACVZ6O [From Jason Earls (zevi_35711(AT)yahoo.com), Nov 21 2009]
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LINKS
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Jason Earls, Google-Primes
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PROGRAM
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(PARI) for( n=0, 9e9, ispseudoprime(379*10^n+9) & print1(n", "))
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CROSSREFS
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A159265 lists the actual primes.
Sequence in context: A140516 A005622 A072960 this_sequence A055073 A012132 A108769
Adjacent sequences: A159261 A159262 A159263 this_sequence A159265 A159266 A159267
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KEYWORD
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more,nonn,word,new
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AUTHOR
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M. F. Hasler (MHasler(AT)univ-ag.fr), Apr 07 2009
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