OFFSET
1,1
COMMENTS
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.
REFERENCES
J. Earls, Mathematical Bliss, Pleroma Publications, 2009, pages 15-17. ASIN: B002ACVZ6O [From Jason Earls, Nov 21 2009]
LINKS
Henri & Renaud Lifchitz, PRP Records
MATHEMATICA
Select[Range[3, 300], PrimeQ[379*10^# + 9] &] (* Arkadiusz Wesolowski, Oct 05 2011 *)
PROG
(PARI) for( n=0, 9e9, ispseudoprime(379*10^n+9) & print1(n", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Apr 07 2009
EXTENSIONS
a(22)-a(24) from Arkadiusz Wesolowski, Oct 15 2011
STATUS
approved