OFFSET
2,2
COMMENTS
a(10)=infinity, a(22)-a(31)=999, a(32-99)=99, a(n)=9 for n >= 100.
EXAMPLE
117648 is "666666" in base 7, larger numbers have more base 7 digits than base 10 digits.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Jud McCranie, May 13 2000
STATUS
approved