OFFSET
1,1
EXAMPLE
1616 -> (1+6) (6+1) (1+6) (6+1), i.e. 7777.
CROSSREFS
KEYWORD
nonn,easy,base
AUTHOR
Amarnath Murthy, May 13 2001
EXTENSIONS
More terms from Larry Reeves (larryr(AT)acm.org) and Asher Auel, May 15 2001
STATUS
approved