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A159264 Numbers n such that 379*10^n+9 is a ("Google") probable prime. +0
2
3, 6, 8, 9, 37, 44, 67, 111, 157, 289, 1256, 1602, 2410, 2482, 2868, 3824, 3891, 6595, 8984, 9318, 10274 (list; graph; listen)
OFFSET

1,1

COMMENT

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]

REFERENCES

J. Earls, Mathematical Bliss, Pleroma Publications, 2009, pages 15-17. ASIN: B002ACVZ6O [From Jason Earls (zevi_35711(AT)yahoo.com), Nov 21 2009]

LINKS

Jason Earls, Google-Primes

PROGRAM

(PARI) for( n=0, 9e9, ispseudoprime(379*10^n+9) & print1(n", "))

CROSSREFS

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

KEYWORD

more,nonn,word,new

AUTHOR

M. F. Hasler (MHasler(AT)univ-ag.fr), Apr 07 2009

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Last modified November 25 14:49 EST 2009. Contains 167514 sequences.


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