OFFSET
1,1
COMMENTS
Also numbers n such that (59*10^n-23)/9 is prime.
a(25) > 10^5. - Robert Price, Sep 14 2015
LINKS
FORMULA
a(n) = A101532(n) + 1.
MATHEMATICA
Do[ If[ PrimeQ[(59*10^n - 23)/9], Print[n]], {n, 0, 10000}]
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Robert G. Wilson v, Jan 18 2005
EXTENSIONS
a(23)-a(24) from Kamada data by Robert Price, Dec 14 2010
STATUS
approved