OFFSET
1,2
COMMENTS
Also numbers n such that (58*10^n+23)/9 is prime.
a(25) > 10^5. - Robert Price, Sep 15 2015
LINKS
FORMULA
a(n) = A101529(n) + 1.
MATHEMATICA
Do[ If[ PrimeQ[(58*10^n + 23)/9], Print[n]], {n, 0, 10000}]
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Robert G. Wilson v, Jan 18 2005
EXTENSIONS
a(20) from Kamada data by Robert Price, Dec 14 2010
a(21)-a(23) from Erik Branger May 01 2013 by Ray Chandler, Aug 16 2013
a(24) from Robert Price, Sep 15 2015
STATUS
approved