OFFSET
1,3
COMMENTS
Also numbers n such that (16*10^n+17)/3 is prime.
a(10) > 10^5. - Robert Price, Sep 08 2015
LINKS
FORMULA
a(n) = A101577(n-1) + 1 for n>1.
EXAMPLE
For n=0, (16*10^n+17)/3=11 which is prime, so 0 is in the sequence.
MATHEMATICA
Do[ If[ PrimeQ[(16*10^n + 17)/3], Print[n]], {n, 0, 10000}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Robert G. Wilson v, Jan 18 2005
EXTENSIONS
a(9) from Kamada data by Robert Price, Dec 14 2010
Inserted a(1)=0 by Robert Price, Sep 08 2015
STATUS
approved