|
|
A159264
|
|
Numbers n such that 379*10^n+9 is a ("Google") probable prime.
|
|
1
|
|
|
3, 6, 8, 9, 37, 44, 67, 111, 157, 289, 1256, 1602, 2410, 2482, 2868, 3824, 3891, 6595, 8984, 9318, 10274, 45858, 59152, 86691
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
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
|
|
|
MATHEMATICA
|
|
|
PROG
|
(PARI) for( n=0, 9e9, ispseudoprime(379*10^n+9) & print1(n", "))
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|