OFFSET
2,1
LINKS
M. Fleuren, Smarandache Mirror Sequence.
EXAMPLE
a(4) is 2160617 because 4321234 = 2.'2160617'.
MATHEMATICA
Table[FactorInteger[FromDigits[Join[Flatten[IntegerDigits/@ Range[ n, 1, -1]], Flatten[IntegerDigits/@Range[2, n]]]]][[-1, 1]], {n, 2, 15}] (* Harvey P. Dale, Sep 05 2015 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Jason Earls, Sep 09 2002
EXTENSIONS
Edited by Charles R Greathouse IV, Apr 28 2010
More terms from Harvey P. Dale, Sep 05 2015
STATUS
approved