OFFSET
1,2
COMMENTS
a(13) has 11111111111 digits and is too large to be included explicitly. [From R. J. Mathar, Aug 10 2010]
EXAMPLE
8 is followed by 9 because 9 is the next lowest number with a digit sum >= 8
9 is followed by 18 because 18 is the next lowest number with a digit sum (1 + 8 = 9) >= 9
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Dominick Cancilla, Aug 09 2010
EXTENSIONS
a(12) added by R. J. Mathar, Aug 10 2010
STATUS
approved