OFFSET
0,8
COMMENTS
Without "and"; 0 spelled "O", like in "Five o'clock".
LINKS
The Math Forum, Ask Dr. Math.
EXAMPLE
a(11)=2 because "one-one" is shorter than "e-le-ven";
a(69)=2 because "six-nine" and not "six-ty-nine";
a(100)=2 because "hundred" and not "one-O-O"
CROSSREFS
KEYWORD
base,easy,nonn,word
AUTHOR
Alexandre Wajnberg, Jan 03 2006
STATUS
approved