OFFSET
1,1
COMMENTS
Also numbers n such that (29*10^n-17)/3 is prime.
a(28) > 3*10^5. - Robert Price, Sep 03 2019
LINKS
FORMULA
a(n) = A101012(n) + 1.
MATHEMATICA
Do[ If[ PrimeQ[(29*10^n - 17)/3], Print[n]], {n, 0, 10000}]
CROSSREFS
KEYWORD
more,nonn
AUTHOR
Robert G. Wilson v, Jan 19 2005
EXTENSIONS
a(20)-a(21) from Kamada data by Robert Price, Dec 14 2010
a(22)-a(23) from Robert Price, Jan 10 2017
a(24)-a(26) from Robert Price, Sep 03 2019
a(27) from Robert Price, Jun 01 2023
STATUS
approved