OFFSET
1,1
COMMENTS
All numbers ending in 8 are Roman Friedman numbers.
LINKS
Erich Friedman, Problem of the Month August 2000
EXAMPLE
8 = VIII = IV * II, 18 = XVIII = IV * II + X. - Bo Gyu Jeong, Jun 30 2012
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Kausthub Gudipati, Sep 18 2011
STATUS
approved