OFFSET
1,3
COMMENTS
Also numbers n such that (62*10^n-17)/9 is prime.
a(17) > 10^5. - Robert Price, Sep 15 2015
LINKS
FORMULA
a(n) = A101539(n-1) + 1 for n>1.
MATHEMATICA
Do[ If[ PrimeQ[(62*10^n - 17)/9], Print[n]], {n, 0, 10000}]
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Robert G. Wilson v, Jan 18 2005
EXTENSIONS
a(11)-a(12) from Kamada data by Robert Price, Dec 14 2010
a(13) from Erik Branger May 01 2013 by Ray Chandler, Aug 16 2013
Inserted a(1)=0 by Robert Price, Sep 15 2015
a(14)-a(16) from Robert Price, Sep 15 2015
STATUS
approved