OFFSET
1,2
COMMENTS
11 divides a(n) for n > 1.
LINKS
Chai Wah Wu, Table of n, a(n) for n = 1..92
MATHEMATICA
Select[Range[5*10^6], Mod[ 10^(#^2)+1, #^3]==0 &] (* G. C. Greubel, Jan 18 2018 *)
CROSSREFS
KEYWORD
hard,nonn
AUTHOR
Alexander Adamchuk, Mar 31 2007
EXTENSIONS
More terms from J. Mulder (jasper.mulder(AT)planet.nl), Jan 26 2010
Terms a(16) onward from Max Alekseyev and Alexander Adamchuk, May 12 2010
STATUS
approved